Home / 159,546.90-239,205.15-89,447.70

Finding the Fourth Proportional to 159,546.90, 239,205.15 and 89,447.70

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Solution

The fourth proportional to 159,546.90, 239,205.15 and 89,447.70 is: 134,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,546.90 : 239,205.15 = 89,447.70 : x
  2. Step 2: Convert to fraction form
    159,546.90/239,205.15 = 89,447.70/x
  3. Step 3: Cross multiply
    159,546.90x = 239,205.15 × 89,447.70
  4. Step 4: Simplify right side
    159,546.90x = 21,396,350,495.66
  5. Step 5: Solve for x
    x = 21,396,350,495.66/159,546.90
  6. Step 6: Final answer
    x = 134,106.96

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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.