Home / 354,845.11-532,275.14-127,155.56

Finding the Fourth Proportional to 354,845.11, 532,275.14 and 127,155.56

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Solution

The fourth proportional to 354,845.11, 532,275.14 and 127,155.56 is: 190,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,845.11 : 532,275.14 = 127,155.56 : x
  2. Step 2: Convert to fraction form
    354,845.11/532,275.14 = 127,155.56/x
  3. Step 3: Cross multiply
    354,845.11x = 532,275.14 × 127,155.56
  4. Step 4: Simplify right side
    354,845.11x = 67,681,745,290.74
  5. Step 5: Solve for x
    x = 67,681,745,290.74/354,845.11
  6. Step 6: Final answer
    x = 190,736.02

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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.