Home / 113,952.59-157,067.03-80,811.85

Finding the Fourth Proportional to 113,952.59, 157,067.03 and 80,811.85

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Solution

The fourth proportional to 113,952.59, 157,067.03 and 80,811.85 is: 111,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,952.59 : 157,067.03 = 80,811.85 : x
  2. Step 2: Convert to fraction form
    113,952.59/157,067.03 = 80,811.85/x
  3. Step 3: Cross multiply
    113,952.59x = 157,067.03 × 80,811.85
  4. Step 4: Simplify right side
    113,952.59x = 12,692,876,917.60
  5. Step 5: Solve for x
    x = 12,692,876,917.60/113,952.59
  6. Step 6: Final answer
    x = 111,387.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.