Home / 147,269.05-220,757.78-72,327.85

Finding the Fourth Proportional to 147,269.05, 220,757.78 and 72,327.85

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Solution

The fourth proportional to 147,269.05, 220,757.78 and 72,327.85 is: 108,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,269.05 : 220,757.78 = 72,327.85 : x
  2. Step 2: Convert to fraction form
    147,269.05/220,757.78 = 72,327.85/x
  3. Step 3: Cross multiply
    147,269.05x = 220,757.78 × 72,327.85
  4. Step 4: Simplify right side
    147,269.05x = 15,966,935,236.53
  5. Step 5: Solve for x
    x = 15,966,935,236.53/147,269.05
  6. Step 6: Final answer
    x = 108,420.17

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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.