Home / 118,712.40-178,067.93-29,965.54

Finding the Fourth Proportional to 118,712.40, 178,067.93 and 29,965.54

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Solution

The fourth proportional to 118,712.40, 178,067.93 and 29,965.54 is: 44,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,712.40 : 178,067.93 = 29,965.54 : x
  2. Step 2: Convert to fraction form
    118,712.40/178,067.93 = 29,965.54/x
  3. Step 3: Cross multiply
    118,712.40x = 178,067.93 × 29,965.54
  4. Step 4: Simplify right side
    118,712.40x = 5,335,901,679.13
  5. Step 5: Solve for x
    x = 5,335,901,679.13/118,712.40
  6. Step 6: Final answer
    x = 44,948.14

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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.