Home / 115,287.26-172,871.06-44,188.90

Finding the Fourth Proportional to 115,287.26, 172,871.06 and 44,188.90

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Solution

The fourth proportional to 115,287.26, 172,871.06 and 44,188.90 is: 66,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,287.26 : 172,871.06 = 44,188.90 : x
  2. Step 2: Convert to fraction form
    115,287.26/172,871.06 = 44,188.90/x
  3. Step 3: Cross multiply
    115,287.26x = 172,871.06 × 44,188.90
  4. Step 4: Simplify right side
    115,287.26x = 7,638,981,983.23
  5. Step 5: Solve for x
    x = 7,638,981,983.23/115,287.26
  6. Step 6: Final answer
    x = 66,260.42

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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.