Home / 156,233.43-215,515.81-127,193.03

Finding the Fourth Proportional to 156,233.43, 215,515.81 and 127,193.03

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Solution

The fourth proportional to 156,233.43, 215,515.81 and 127,193.03 is: 175,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,233.43 : 215,515.81 = 127,193.03 : x
  2. Step 2: Convert to fraction form
    156,233.43/215,515.81 = 127,193.03/x
  3. Step 3: Cross multiply
    156,233.43x = 215,515.81 × 127,193.03
  4. Step 4: Simplify right side
    156,233.43x = 27,412,109,273.22
  5. Step 5: Solve for x
    x = 27,412,109,273.22/156,233.43
  6. Step 6: Final answer
    x = 175,456.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.