Home / 170,513.12-255,843.36-91,535.04

Finding the Fourth Proportional to 170,513.12, 255,843.36 and 91,535.04

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Solution

The fourth proportional to 170,513.12, 255,843.36 and 91,535.04 is: 137,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,513.12 : 255,843.36 = 91,535.04 : x
  2. Step 2: Convert to fraction form
    170,513.12/255,843.36 = 91,535.04/x
  3. Step 3: Cross multiply
    170,513.12x = 255,843.36 × 91,535.04
  4. Step 4: Simplify right side
    170,513.12x = 23,418,632,191.33
  5. Step 5: Solve for x
    x = 23,418,632,191.33/170,513.12
  6. Step 6: Final answer
    x = 137,342.11

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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.