Home / 106,565.20-159,617.40-94,891.60

Finding the Fourth Proportional to 106,565.20, 159,617.40 and 94,891.60

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Solution

The fourth proportional to 106,565.20, 159,617.40 and 94,891.60 is: 142,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,565.20 : 159,617.40 = 94,891.60 : x
  2. Step 2: Convert to fraction form
    106,565.20/159,617.40 = 94,891.60/x
  3. Step 3: Cross multiply
    106,565.20x = 159,617.40 × 94,891.60
  4. Step 4: Simplify right side
    106,565.20x = 15,146,350,473.84
  5. Step 5: Solve for x
    x = 15,146,350,473.84/106,565.20
  6. Step 6: Final answer
    x = 142,132.24

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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.