Home / 432,023.46-648,039.04-132,505.44

Finding the Fourth Proportional to 432,023.46, 648,039.04 and 132,505.44

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Solution

The fourth proportional to 432,023.46, 648,039.04 and 132,505.44 is: 198,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,023.46 : 648,039.04 = 132,505.44 : x
  2. Step 2: Convert to fraction form
    432,023.46/648,039.04 = 132,505.44/x
  3. Step 3: Cross multiply
    432,023.46x = 648,039.04 × 132,505.44
  4. Step 4: Simplify right side
    432,023.46x = 85,868,698,132.38
  5. Step 5: Solve for x
    x = 85,868,698,132.38/432,023.46
  6. Step 6: Final answer
    x = 198,759.34

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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.