Home / 318,672.24-478,050.60-168,989.04

Finding the Fourth Proportional to 318,672.24, 478,050.60 and 168,989.04

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Solution

The fourth proportional to 318,672.24, 478,050.60 and 168,989.04 is: 253,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,672.24 : 478,050.60 = 168,989.04 : x
  2. Step 2: Convert to fraction form
    318,672.24/478,050.60 = 168,989.04/x
  3. Step 3: Cross multiply
    318,672.24x = 478,050.60 × 168,989.04
  4. Step 4: Simplify right side
    318,672.24x = 80,785,311,965.42
  5. Step 5: Solve for x
    x = 80,785,311,965.42/318,672.24
  6. Step 6: Final answer
    x = 253,505.96

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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.