Home / 311,475.24-467,064.90-161,565.30

Finding the Fourth Proportional to 311,475.24, 467,064.90 and 161,565.30

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Solution

The fourth proportional to 311,475.24, 467,064.90 and 161,565.30 is: 242,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,475.24 : 467,064.90 = 161,565.30 : x
  2. Step 2: Convert to fraction form
    311,475.24/467,064.90 = 161,565.30/x
  3. Step 3: Cross multiply
    311,475.24x = 467,064.90 × 161,565.30
  4. Step 4: Simplify right side
    311,475.24x = 75,461,480,687.97
  5. Step 5: Solve for x
    x = 75,461,480,687.97/311,475.24
  6. Step 6: Final answer
    x = 242,271.20

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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.