Home / 545,230.20-817,845.30-151,246.20

Finding the Fourth Proportional to 545,230.20, 817,845.30 and 151,246.20

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Solution

The fourth proportional to 545,230.20, 817,845.30 and 151,246.20 is: 226,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,230.20 : 817,845.30 = 151,246.20 : x
  2. Step 2: Convert to fraction form
    545,230.20/817,845.30 = 151,246.20/x
  3. Step 3: Cross multiply
    545,230.20x = 817,845.30 × 151,246.20
  4. Step 4: Simplify right side
    545,230.20x = 123,695,993,812.86
  5. Step 5: Solve for x
    x = 123,695,993,812.86/545,230.20
  6. Step 6: Final answer
    x = 226,869.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.