Home / 159,659.66-220,325.28-88,042.70

Finding the Fourth Proportional to 159,659.66, 220,325.28 and 88,042.70

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Solution

The fourth proportional to 159,659.66, 220,325.28 and 88,042.70 is: 121,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,659.66 : 220,325.28 = 88,042.70 : x
  2. Step 2: Convert to fraction form
    159,659.66/220,325.28 = 88,042.70/x
  3. Step 3: Cross multiply
    159,659.66x = 220,325.28 × 88,042.70
  4. Step 4: Simplify right side
    159,659.66x = 19,398,032,529.46
  5. Step 5: Solve for x
    x = 19,398,032,529.46/159,659.66
  6. Step 6: Final answer
    x = 121,496.14

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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.