Home / 305,233.70-457,526.55-147,359.30

Finding the Fourth Proportional to 305,233.70, 457,526.55 and 147,359.30

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Solution

The fourth proportional to 305,233.70, 457,526.55 and 147,359.30 is: 220,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,233.70 : 457,526.55 = 147,359.30 : x
  2. Step 2: Convert to fraction form
    305,233.70/457,526.55 = 147,359.30/x
  3. Step 3: Cross multiply
    305,233.70x = 457,526.55 × 147,359.30
  4. Step 4: Simplify right side
    305,233.70x = 67,420,792,139.42
  5. Step 5: Solve for x
    x = 67,420,792,139.42/305,233.70
  6. Step 6: Final answer
    x = 220,882.53

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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.