Home / 147,551.20-221,382.72-88,429.30

Finding the Fourth Proportional to 147,551.20, 221,382.72 and 88,429.30

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Solution

The fourth proportional to 147,551.20, 221,382.72 and 88,429.30 is: 132,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,551.20 : 221,382.72 = 88,429.30 : x
  2. Step 2: Convert to fraction form
    147,551.20/221,382.72 = 88,429.30/x
  3. Step 3: Cross multiply
    147,551.20x = 221,382.72 × 88,429.30
  4. Step 4: Simplify right side
    147,551.20x = 19,576,718,961.70
  5. Step 5: Solve for x
    x = 19,576,718,961.70/147,551.20
  6. Step 6: Final answer
    x = 132,677.46

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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.