Home / 159,932.22-220,706.46-88,312.38

Finding the Fourth Proportional to 159,932.22, 220,706.46 and 88,312.38

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Solution

The fourth proportional to 159,932.22, 220,706.46 and 88,312.38 is: 121,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,932.22 : 220,706.46 = 88,312.38 : x
  2. Step 2: Convert to fraction form
    159,932.22/220,706.46 = 88,312.38/x
  3. Step 3: Cross multiply
    159,932.22x = 220,706.46 × 88,312.38
  4. Step 4: Simplify right side
    159,932.22x = 19,491,112,763.97
  5. Step 5: Solve for x
    x = 19,491,112,763.97/159,932.22
  6. Step 6: Final answer
    x = 121,871.08

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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.