Home / 178,613.81-267,853.23-71,961.62

Finding the Fourth Proportional to 178,613.81, 267,853.23 and 71,961.62

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Solution

The fourth proportional to 178,613.81, 267,853.23 and 71,961.62 is: 107,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,613.81 : 267,853.23 = 71,961.62 : x
  2. Step 2: Convert to fraction form
    178,613.81/267,853.23 = 71,961.62/x
  3. Step 3: Cross multiply
    178,613.81x = 267,853.23 × 71,961.62
  4. Step 4: Simplify right side
    178,613.81x = 19,275,151,013.77
  5. Step 5: Solve for x
    x = 19,275,151,013.77/178,613.81
  6. Step 6: Final answer
    x = 107,915.23

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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.