Home / 107,418.47-161,226.11-107,016.61

Finding the Fourth Proportional to 107,418.47, 161,226.11 and 107,016.61

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Solution

The fourth proportional to 107,418.47, 161,226.11 and 107,016.61 is: 160,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,418.47 : 161,226.11 = 107,016.61 : x
  2. Step 2: Convert to fraction form
    107,418.47/161,226.11 = 107,016.61/x
  3. Step 3: Cross multiply
    107,418.47x = 161,226.11 × 107,016.61
  4. Step 4: Simplify right side
    107,418.47x = 17,253,871,600.16
  5. Step 5: Solve for x
    x = 17,253,871,600.16/107,418.47
  6. Step 6: Final answer
    x = 160,622.96

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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.