Home / 516,823.30-775,234.95-161,946.10

Finding the Fourth Proportional to 516,823.30, 775,234.95 and 161,946.10

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Solution

The fourth proportional to 516,823.30, 775,234.95 and 161,946.10 is: 242,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,823.30 : 775,234.95 = 161,946.10 : x
  2. Step 2: Convert to fraction form
    516,823.30/775,234.95 = 161,946.10/x
  3. Step 3: Cross multiply
    516,823.30x = 775,234.95 × 161,946.10
  4. Step 4: Simplify right side
    516,823.30x = 125,546,276,736.20
  5. Step 5: Solve for x
    x = 125,546,276,736.20/516,823.30
  6. Step 6: Final answer
    x = 242,919.15

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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.