Home / 107,921.70-161,882.55-96,549.30

Finding the Fourth Proportional to 107,921.70, 161,882.55 and 96,549.30

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Solution

The fourth proportional to 107,921.70, 161,882.55 and 96,549.30 is: 144,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,921.70 : 161,882.55 = 96,549.30 : x
  2. Step 2: Convert to fraction form
    107,921.70/161,882.55 = 96,549.30/x
  3. Step 3: Cross multiply
    107,921.70x = 161,882.55 × 96,549.30
  4. Step 4: Simplify right side
    107,921.70x = 15,629,646,884.72
  5. Step 5: Solve for x
    x = 15,629,646,884.72/107,921.70
  6. Step 6: Final answer
    x = 144,823.95

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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.