Home / 432,934.60-649,504.30-137,446.60

Finding the Fourth Proportional to 432,934.60, 649,504.30 and 137,446.60

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Solution

The fourth proportional to 432,934.60, 649,504.30 and 137,446.60 is: 206,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,934.60 : 649,504.30 = 137,446.60 : x
  2. Step 2: Convert to fraction form
    432,934.60/649,504.30 = 137,446.60/x
  3. Step 3: Cross multiply
    432,934.60x = 649,504.30 × 137,446.60
  4. Step 4: Simplify right side
    432,934.60x = 89,272,157,720.38
  5. Step 5: Solve for x
    x = 89,272,157,720.38/432,934.60
  6. Step 6: Final answer
    x = 206,202.41

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1.5x scale

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.