Home / 499,743.01-749,614.53-144,757.15

Finding the Fourth Proportional to 499,743.01, 749,614.53 and 144,757.15

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Solution

The fourth proportional to 499,743.01, 749,614.53 and 144,757.15 is: 217,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,743.01 : 749,614.53 = 144,757.15 : x
  2. Step 2: Convert to fraction form
    499,743.01/749,614.53 = 144,757.15/x
  3. Step 3: Cross multiply
    499,743.01x = 749,614.53 × 144,757.15
  4. Step 4: Simplify right side
    499,743.01x = 108,512,062,961.39
  5. Step 5: Solve for x
    x = 108,512,062,961.39/499,743.01
  6. Step 6: Final answer
    x = 217,135.73

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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.