Home / 117,174.39-161,734.89-68,788.83

Finding the Fourth Proportional to 117,174.39, 161,734.89 and 68,788.83

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Solution

The fourth proportional to 117,174.39, 161,734.89 and 68,788.83 is: 94,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.39 : 161,734.89 = 68,788.83 : x
  2. Step 2: Convert to fraction form
    117,174.39/161,734.89 = 68,788.83/x
  3. Step 3: Cross multiply
    117,174.39x = 161,734.89 × 68,788.83
  4. Step 4: Simplify right side
    117,174.39x = 11,125,553,853.28
  5. Step 5: Solve for x
    x = 11,125,553,853.28/117,174.39
  6. Step 6: Final answer
    x = 94,948.68

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1.5x scale

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.