Home / 161,016.80-241,568.40-143,607.20

Finding the Fourth Proportional to 161,016.80, 241,568.40 and 143,607.20

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Solution

The fourth proportional to 161,016.80, 241,568.40 and 143,607.20 is: 215,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,016.80 : 241,568.40 = 143,607.20 : x
  2. Step 2: Convert to fraction form
    161,016.80/241,568.40 = 143,607.20/x
  3. Step 3: Cross multiply
    161,016.80x = 241,568.40 × 143,607.20
  4. Step 4: Simplify right side
    161,016.80x = 34,690,961,532.48
  5. Step 5: Solve for x
    x = 34,690,961,532.48/161,016.80
  6. Step 6: Final answer
    x = 215,449.33

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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.