Home / 251,472.90-347,036.04-144,042.87

Finding the Fourth Proportional to 251,472.90, 347,036.04 and 144,042.87

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Solution

The fourth proportional to 251,472.90, 347,036.04 and 144,042.87 is: 198,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,472.90 : 347,036.04 = 144,042.87 : x
  2. Step 2: Convert to fraction form
    251,472.90/347,036.04 = 144,042.87/x
  3. Step 3: Cross multiply
    251,472.90x = 347,036.04 × 144,042.87
  4. Step 4: Simplify right side
    251,472.90x = 49,988,067,195.03
  5. Step 5: Solve for x
    x = 49,988,067,195.03/251,472.90
  6. Step 6: Final answer
    x = 198,781.13

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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.