Home / 167,715.80-251,136.30-132,432.20

Finding the Fourth Proportional to 167,715.80, 251,136.30 and 132,432.20

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Solution

The fourth proportional to 167,715.80, 251,136.30 and 132,432.20 is: 198,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,715.80 : 251,136.30 = 132,432.20 : x
  2. Step 2: Convert to fraction form
    167,715.80/251,136.30 = 132,432.20/x
  3. Step 3: Cross multiply
    167,715.80x = 251,136.30 × 132,432.20
  4. Step 4: Simplify right side
    167,715.80x = 33,258,532,708.86
  5. Step 5: Solve for x
    x = 33,258,532,708.86/167,715.80
  6. Step 6: Final answer
    x = 198,302.92

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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.