Home / 156,738.14-216,301.14-88,753.28

Finding the Fourth Proportional to 156,738.14, 216,301.14 and 88,753.28

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Solution

The fourth proportional to 156,738.14, 216,301.14 and 88,753.28 is: 122,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.14 : 216,301.14 = 88,753.28 : x
  2. Step 2: Convert to fraction form
    156,738.14/216,301.14 = 88,753.28/x
  3. Step 3: Cross multiply
    156,738.14x = 216,301.14 × 88,753.28
  4. Step 4: Simplify right side
    156,738.14x = 19,197,435,642.74
  5. Step 5: Solve for x
    x = 19,197,435,642.74/156,738.14
  6. Step 6: Final answer
    x = 122,480.95

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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.