Home / 117,166.16-161,689.46-63,451.26

Finding the Fourth Proportional to 117,166.16, 161,689.46 and 63,451.26

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Solution

The fourth proportional to 117,166.16, 161,689.46 and 63,451.26 is: 87,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,166.16 : 161,689.46 = 63,451.26 : x
  2. Step 2: Convert to fraction form
    117,166.16/161,689.46 = 63,451.26/x
  3. Step 3: Cross multiply
    117,166.16x = 161,689.46 × 63,451.26
  4. Step 4: Simplify right side
    117,166.16x = 10,259,399,965.72
  5. Step 5: Solve for x
    x = 10,259,399,965.72/117,166.16
  6. Step 6: Final answer
    x = 87,562.83

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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.