Home / 240,116.78-331,381.11-132,707.78

Finding the Fourth Proportional to 240,116.78, 331,381.11 and 132,707.78

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Solution

The fourth proportional to 240,116.78, 331,381.11 and 132,707.78 is: 183,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,116.78 : 331,381.11 = 132,707.78 : x
  2. Step 2: Convert to fraction form
    240,116.78/331,381.11 = 132,707.78/x
  3. Step 3: Cross multiply
    240,116.78x = 331,381.11 × 132,707.78
  4. Step 4: Simplify right side
    240,116.78x = 43,976,851,442.04
  5. Step 5: Solve for x
    x = 43,976,851,442.04/240,116.78
  6. Step 6: Final answer
    x = 183,147.76

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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.