Home / 121,144.38-181,753.80-62,021.56

Finding the Fourth Proportional to 121,144.38, 181,753.80 and 62,021.56

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Solution

The fourth proportional to 121,144.38, 181,753.80 and 62,021.56 is: 93,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,144.38 : 181,753.80 = 62,021.56 : x
  2. Step 2: Convert to fraction form
    121,144.38/181,753.80 = 62,021.56/x
  3. Step 3: Cross multiply
    121,144.38x = 181,753.80 × 62,021.56
  4. Step 4: Simplify right side
    121,144.38x = 11,272,654,211.93
  5. Step 5: Solve for x
    x = 11,272,654,211.93/121,144.38
  6. Step 6: Final answer
    x = 93,051.40

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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.