Home / 171,268.20-236,400.66-99,680.04

Finding the Fourth Proportional to 171,268.20, 236,400.66 and 99,680.04

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Solution

The fourth proportional to 171,268.20, 236,400.66 and 99,680.04 is: 137,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,268.20 : 236,400.66 = 99,680.04 : x
  2. Step 2: Convert to fraction form
    171,268.20/236,400.66 = 99,680.04/x
  3. Step 3: Cross multiply
    171,268.20x = 236,400.66 × 99,680.04
  4. Step 4: Simplify right side
    171,268.20x = 23,564,427,244.83
  5. Step 5: Solve for x
    x = 23,564,427,244.83/171,268.20
  6. Step 6: Final answer
    x = 137,587.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.