Home / 178,390.61-267,061.03-119,079.17

Finding the Fourth Proportional to 178,390.61, 267,061.03 and 119,079.17

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Solution

The fourth proportional to 178,390.61, 267,061.03 and 119,079.17 is: 178,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,390.61 : 267,061.03 = 119,079.17 : x
  2. Step 2: Convert to fraction form
    178,390.61/267,061.03 = 119,079.17/x
  3. Step 3: Cross multiply
    178,390.61x = 267,061.03 × 119,079.17
  4. Step 4: Simplify right side
    178,390.61x = 31,801,405,160.22
  5. Step 5: Solve for x
    x = 31,801,405,160.22/178,390.61
  6. Step 6: Final answer
    x = 178,268.38

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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.