Home / 123,660.14-185,519.45-98,454.96

Finding the Fourth Proportional to 123,660.14, 185,519.45 and 98,454.96

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Solution

The fourth proportional to 123,660.14, 185,519.45 and 98,454.96 is: 147,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,660.14 : 185,519.45 = 98,454.96 : x
  2. Step 2: Convert to fraction form
    123,660.14/185,519.45 = 98,454.96/x
  3. Step 3: Cross multiply
    123,660.14x = 185,519.45 × 98,454.96
  4. Step 4: Simplify right side
    123,660.14x = 18,265,310,028.97
  5. Step 5: Solve for x
    x = 18,265,310,028.97/123,660.14
  6. Step 6: Final answer
    x = 147,705.72

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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.