Home / 138,092.92-206,131.25-118,497.40

Finding the Fourth Proportional to 138,092.92, 206,131.25 and 118,497.40

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Solution

The fourth proportional to 138,092.92, 206,131.25 and 118,497.40 is: 176,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,092.92 : 206,131.25 = 118,497.40 : x
  2. Step 2: Convert to fraction form
    138,092.92/206,131.25 = 118,497.40/x
  3. Step 3: Cross multiply
    138,092.92x = 206,131.25 × 118,497.40
  4. Step 4: Simplify right side
    138,092.92x = 24,426,016,298.12
  5. Step 5: Solve for x
    x = 24,426,016,298.12/138,092.92
  6. Step 6: Final answer
    x = 176,881.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.