Home / 499,153.59-748,582.56-144,170.69

Finding the Fourth Proportional to 499,153.59, 748,582.56 and 144,170.69

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Solution

The fourth proportional to 499,153.59, 748,582.56 and 144,170.69 is: 216,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,153.59 : 748,582.56 = 144,170.69 : x
  2. Step 2: Convert to fraction form
    499,153.59/748,582.56 = 144,170.69/x
  3. Step 3: Cross multiply
    499,153.59x = 748,582.56 × 144,170.69
  4. Step 4: Simplify right side
    499,153.59x = 107,923,660,454.25
  5. Step 5: Solve for x
    x = 107,923,660,454.25/499,153.59
  6. Step 6: Final answer
    x = 216,213.33

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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.