Home / 257,194.52-386,040.78-124,168.11

Finding the Fourth Proportional to 257,194.52, 386,040.78 and 124,168.11

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Solution

The fourth proportional to 257,194.52, 386,040.78 and 124,168.11 is: 186,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,194.52 : 386,040.78 = 124,168.11 : x
  2. Step 2: Convert to fraction form
    257,194.52/386,040.78 = 124,168.11/x
  3. Step 3: Cross multiply
    257,194.52x = 386,040.78 × 124,168.11
  4. Step 4: Simplify right side
    257,194.52x = 47,933,953,414.69
  5. Step 5: Solve for x
    x = 47,933,953,414.69/257,194.52
  6. Step 6: Final answer
    x = 186,372.38

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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.