Home / 147,558.20-221,393.19-88,436.30

Finding the Fourth Proportional to 147,558.20, 221,393.19 and 88,436.30

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Solution

The fourth proportional to 147,558.20, 221,393.19 and 88,436.30 is: 132,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,558.20 : 221,393.19 = 88,436.30 : x
  2. Step 2: Convert to fraction form
    147,558.20/221,393.19 = 88,436.30/x
  3. Step 3: Cross multiply
    147,558.20x = 221,393.19 × 88,436.30
  4. Step 4: Simplify right side
    147,558.20x = 19,579,194,568.80
  5. Step 5: Solve for x
    x = 19,579,194,568.80/147,558.20
  6. Step 6: Final answer
    x = 132,687.95

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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.