Home / 240,121.86-331,363.62-132,689.58

Finding the Fourth Proportional to 240,121.86, 331,363.62 and 132,689.58

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Solution

The fourth proportional to 240,121.86, 331,363.62 and 132,689.58 is: 183,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,121.86 : 331,363.62 = 132,689.58 : x
  2. Step 2: Convert to fraction form
    240,121.86/331,363.62 = 132,689.58/x
  3. Step 3: Cross multiply
    240,121.86x = 331,363.62 × 132,689.58
  4. Step 4: Simplify right side
    240,121.86x = 43,968,499,565.08
  5. Step 5: Solve for x
    x = 43,968,499,565.08/240,121.86
  6. Step 6: Final answer
    x = 183,109.11

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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.