Home / 515,177.85-772,221.38-173,295.83

Finding the Fourth Proportional to 515,177.85, 772,221.38 and 173,295.83

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Solution

The fourth proportional to 515,177.85, 772,221.38 and 173,295.83 is: 259,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,177.85 : 772,221.38 = 173,295.83 : x
  2. Step 2: Convert to fraction form
    515,177.85/772,221.38 = 173,295.83/x
  3. Step 3: Cross multiply
    515,177.85x = 772,221.38 × 173,295.83
  4. Step 4: Simplify right side
    515,177.85x = 133,822,744,124.37
  5. Step 5: Solve for x
    x = 133,822,744,124.37/515,177.85
  6. Step 6: Final answer
    x = 259,760.28

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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.