Home / 161,517.33-242,325.63-82,686.92

Finding the Fourth Proportional to 161,517.33, 242,325.63 and 82,686.92

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Solution

The fourth proportional to 161,517.33, 242,325.63 and 82,686.92 is: 124,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,517.33 : 242,325.63 = 82,686.92 : x
  2. Step 2: Convert to fraction form
    161,517.33/242,325.63 = 82,686.92/x
  3. Step 3: Cross multiply
    161,517.33x = 242,325.63 × 82,686.92
  4. Step 4: Simplify right side
    161,517.33x = 20,037,158,770.13
  5. Step 5: Solve for x
    x = 20,037,158,770.13/161,517.33
  6. Step 6: Final answer
    x = 124,055.78

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1.5x scale

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.