Home / 137,663.31-190,042.11-92,324.71

Finding the Fourth Proportional to 137,663.31, 190,042.11 and 92,324.71

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Solution

The fourth proportional to 137,663.31, 190,042.11 and 92,324.71 is: 127,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,663.31 : 190,042.11 = 92,324.71 : x
  2. Step 2: Convert to fraction form
    137,663.31/190,042.11 = 92,324.71/x
  3. Step 3: Cross multiply
    137,663.31x = 190,042.11 × 92,324.71
  4. Step 4: Simplify right side
    137,663.31x = 17,545,581,281.70
  5. Step 5: Solve for x
    x = 17,545,581,281.70/137,663.31
  6. Step 6: Final answer
    x = 127,452.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.