Home / 178,304.13-267,128.15-111,731.85

Finding the Fourth Proportional to 178,304.13, 267,128.15 and 111,731.85

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Solution

The fourth proportional to 178,304.13, 267,128.15 and 111,731.85 is: 167,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,304.13 : 267,128.15 = 111,731.85 : x
  2. Step 2: Convert to fraction form
    178,304.13/267,128.15 = 111,731.85/x
  3. Step 3: Cross multiply
    178,304.13x = 267,128.15 × 111,731.85
  4. Step 4: Simplify right side
    178,304.13x = 29,846,721,827.92
  5. Step 5: Solve for x
    x = 29,846,721,827.92/178,304.13
  6. Step 6: Final answer
    x = 167,392.21

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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.