Home / 516,748.20-775,072.15-156,922.15

Finding the Fourth Proportional to 516,748.20, 775,072.15 and 156,922.15

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Solution

The fourth proportional to 516,748.20, 775,072.15 and 156,922.15 is: 235,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,748.20 : 775,072.15 = 156,922.15 : x
  2. Step 2: Convert to fraction form
    516,748.20/775,072.15 = 156,922.15/x
  3. Step 3: Cross multiply
    516,748.20x = 775,072.15 × 156,922.15
  4. Step 4: Simplify right side
    516,748.20x = 121,625,988,183.12
  5. Step 5: Solve for x
    x = 121,625,988,183.12/516,748.20
  6. Step 6: Final answer
    x = 235,368.00

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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.