Home / 106,257.20-159,623.40-88,761.20

Finding the Fourth Proportional to 106,257.20, 159,623.40 and 88,761.20

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Solution

The fourth proportional to 106,257.20, 159,623.40 and 88,761.20 is: 133,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,257.20 : 159,623.40 = 88,761.20 : x
  2. Step 2: Convert to fraction form
    106,257.20/159,623.40 = 88,761.20/x
  3. Step 3: Cross multiply
    106,257.20x = 159,623.40 × 88,761.20
  4. Step 4: Simplify right side
    106,257.20x = 14,168,364,532.08
  5. Step 5: Solve for x
    x = 14,168,364,532.08/106,257.20
  6. Step 6: Final answer
    x = 133,340.28

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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.