Home / 498,116.22-747,118.97-178,255.17

Finding the Fourth Proportional to 498,116.22, 747,118.97 and 178,255.17

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Solution

The fourth proportional to 498,116.22, 747,118.97 and 178,255.17 is: 267,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,116.22 : 747,118.97 = 178,255.17 : x
  2. Step 2: Convert to fraction form
    498,116.22/747,118.97 = 178,255.17/x
  3. Step 3: Cross multiply
    498,116.22x = 747,118.97 × 178,255.17
  4. Step 4: Simplify right side
    498,116.22x = 133,177,819,007.58
  5. Step 5: Solve for x
    x = 133,177,819,007.58/498,116.22
  6. Step 6: Final answer
    x = 267,362.94

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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.