Home / 147,550.20-221,381.22-88,428.30

Finding the Fourth Proportional to 147,550.20, 221,381.22 and 88,428.30

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Solution

The fourth proportional to 147,550.20, 221,381.22 and 88,428.30 is: 132,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,550.20 : 221,381.22 = 88,428.30 : x
  2. Step 2: Convert to fraction form
    147,550.20/221,381.22 = 88,428.30/x
  3. Step 3: Cross multiply
    147,550.20x = 221,381.22 × 88,428.30
  4. Step 4: Simplify right side
    147,550.20x = 19,576,364,936.53
  5. Step 5: Solve for x
    x = 19,576,364,936.53/147,550.20
  6. Step 6: Final answer
    x = 132,675.96

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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.