Home / 225,355.28-338,077.98-83,201.40

Finding the Fourth Proportional to 225,355.28, 338,077.98 and 83,201.40

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Solution

The fourth proportional to 225,355.28, 338,077.98 and 83,201.40 is: 124,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,355.28 : 338,077.98 = 83,201.40 : x
  2. Step 2: Convert to fraction form
    225,355.28/338,077.98 = 83,201.40/x
  3. Step 3: Cross multiply
    225,355.28x = 338,077.98 × 83,201.40
  4. Step 4: Simplify right side
    225,355.28x = 28,128,561,245.17
  5. Step 5: Solve for x
    x = 28,128,561,245.17/225,355.28
  6. Step 6: Final answer
    x = 124,818.74

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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.