Home / 132,513.12-198,727.56-43,750.08

Finding the Fourth Proportional to 132,513.12, 198,727.56 and 43,750.08

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Solution

The fourth proportional to 132,513.12, 198,727.56 and 43,750.08 is: 65,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,513.12 : 198,727.56 = 43,750.08 : x
  2. Step 2: Convert to fraction form
    132,513.12/198,727.56 = 43,750.08/x
  3. Step 3: Cross multiply
    132,513.12x = 198,727.56 × 43,750.08
  4. Step 4: Simplify right side
    132,513.12x = 8,694,346,648.20
  5. Step 5: Solve for x
    x = 8,694,346,648.20/132,513.12
  6. Step 6: Final answer
    x = 65,611.21

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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.