Home / 117,028.26-161,158.68-101,707.92

Finding the Fourth Proportional to 117,028.26, 161,158.68 and 101,707.92

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Solution

The fourth proportional to 117,028.26, 161,158.68 and 101,707.92 is: 140,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,028.26 : 161,158.68 = 101,707.92 : x
  2. Step 2: Convert to fraction form
    117,028.26/161,158.68 = 101,707.92/x
  3. Step 3: Cross multiply
    117,028.26x = 161,158.68 × 101,707.92
  4. Step 4: Simplify right side
    117,028.26x = 16,391,114,132.75
  5. Step 5: Solve for x
    x = 16,391,114,132.75/117,028.26
  6. Step 6: Final answer
    x = 140,061.16

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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.