Home / 156,221.57-234,233.03-132,537.28

Finding the Fourth Proportional to 156,221.57, 234,233.03 and 132,537.28

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Solution

The fourth proportional to 156,221.57, 234,233.03 and 132,537.28 is: 198,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,221.57 : 234,233.03 = 132,537.28 : x
  2. Step 2: Convert to fraction form
    156,221.57/234,233.03 = 132,537.28/x
  3. Step 3: Cross multiply
    156,221.57x = 234,233.03 × 132,537.28
  4. Step 4: Simplify right side
    156,221.57x = 31,044,606,848.51
  5. Step 5: Solve for x
    x = 31,044,606,848.51/156,221.57
  6. Step 6: Final answer
    x = 198,721.64

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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.