Home / 147,452.94-221,251.50-68,622.12

Finding the Fourth Proportional to 147,452.94, 221,251.50 and 68,622.12

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Solution

The fourth proportional to 147,452.94, 221,251.50 and 68,622.12 is: 102,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,452.94 : 221,251.50 = 68,622.12 : x
  2. Step 2: Convert to fraction form
    147,452.94/221,251.50 = 68,622.12/x
  3. Step 3: Cross multiply
    147,452.94x = 221,251.50 × 68,622.12
  4. Step 4: Simplify right side
    147,452.94x = 15,182,746,983.18
  5. Step 5: Solve for x
    x = 15,182,746,983.18/147,452.94
  6. Step 6: Final answer
    x = 102,966.73

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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.