Home / 117,132.08-161,600.28-66,801.92

Finding the Fourth Proportional to 117,132.08, 161,600.28 and 66,801.92

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Solution

The fourth proportional to 117,132.08, 161,600.28 and 66,801.92 is: 92,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,132.08 : 161,600.28 = 66,801.92 : x
  2. Step 2: Convert to fraction form
    117,132.08/161,600.28 = 66,801.92/x
  3. Step 3: Cross multiply
    117,132.08x = 161,600.28 × 66,801.92
  4. Step 4: Simplify right side
    117,132.08x = 10,795,208,976.54
  5. Step 5: Solve for x
    x = 10,795,208,976.54/117,132.08
  6. Step 6: Final answer
    x = 92,162.70

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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.