Home / 156,221.07-234,232.28-132,536.78

Finding the Fourth Proportional to 156,221.07, 234,232.28 and 132,536.78

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Solution

The fourth proportional to 156,221.07, 234,232.28 and 132,536.78 is: 198,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,221.07 : 234,232.28 = 132,536.78 : x
  2. Step 2: Convert to fraction form
    156,221.07/234,232.28 = 132,536.78/x
  3. Step 3: Cross multiply
    156,221.07x = 234,232.28 × 132,536.78
  4. Step 4: Simplify right side
    156,221.07x = 31,044,390,329.41
  5. Step 5: Solve for x
    x = 31,044,390,329.41/156,221.07
  6. Step 6: Final answer
    x = 198,720.89

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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.