Home / 458,204.10-687,306.15-121,244.10

Finding the Fourth Proportional to 458,204.10, 687,306.15 and 121,244.10

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Solution

The fourth proportional to 458,204.10, 687,306.15 and 121,244.10 is: 181,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,204.10 : 687,306.15 = 121,244.10 : x
  2. Step 2: Convert to fraction form
    458,204.10/687,306.15 = 121,244.10/x
  3. Step 3: Cross multiply
    458,204.10x = 687,306.15 × 121,244.10
  4. Step 4: Simplify right side
    458,204.10x = 83,331,815,581.22
  5. Step 5: Solve for x
    x = 83,331,815,581.22/458,204.10
  6. Step 6: Final answer
    x = 181,866.15

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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.