Home / 147,731.28-221,622.84-63,543.12

Finding the Fourth Proportional to 147,731.28, 221,622.84 and 63,543.12

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Solution

The fourth proportional to 147,731.28, 221,622.84 and 63,543.12 is: 95,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,731.28 : 221,622.84 = 63,543.12 : x
  2. Step 2: Convert to fraction form
    147,731.28/221,622.84 = 63,543.12/x
  3. Step 3: Cross multiply
    147,731.28x = 221,622.84 × 63,543.12
  4. Step 4: Simplify right side
    147,731.28x = 14,082,606,716.86
  5. Step 5: Solve for x
    x = 14,082,606,716.86/147,731.28
  6. Step 6: Final answer
    x = 95,325.83

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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.