Home / 516,149.20-774,223.44-161,193.64

Finding the Fourth Proportional to 516,149.20, 774,223.44 and 161,193.64

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Solution

The fourth proportional to 516,149.20, 774,223.44 and 161,193.64 is: 241,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,149.20 : 774,223.44 = 161,193.64 : x
  2. Step 2: Convert to fraction form
    516,149.20/774,223.44 = 161,193.64/x
  3. Step 3: Cross multiply
    516,149.20x = 774,223.44 × 161,193.64
  4. Step 4: Simplify right side
    516,149.20x = 124,799,894,466.92
  5. Step 5: Solve for x
    x = 124,799,894,466.92/516,149.20
  6. Step 6: Final answer
    x = 241,790.35

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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.