Home / 303,528.20-455,292.30-146,064.20

Finding the Fourth Proportional to 303,528.20, 455,292.30 and 146,064.20

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Solution

The fourth proportional to 303,528.20, 455,292.30 and 146,064.20 is: 219,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,528.20 : 455,292.30 = 146,064.20 : x
  2. Step 2: Convert to fraction form
    303,528.20/455,292.30 = 146,064.20/x
  3. Step 3: Cross multiply
    303,528.20x = 455,292.30 × 146,064.20
  4. Step 4: Simplify right side
    303,528.20x = 66,501,905,565.66
  5. Step 5: Solve for x
    x = 66,501,905,565.66/303,528.20
  6. Step 6: Final answer
    x = 219,096.30

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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.