Home / 144,080.26-198,822.67-80,422.16

Finding the Fourth Proportional to 144,080.26, 198,822.67 and 80,422.16

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Solution

The fourth proportional to 144,080.26, 198,822.67 and 80,422.16 is: 110,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,080.26 : 198,822.67 = 80,422.16 : x
  2. Step 2: Convert to fraction form
    144,080.26/198,822.67 = 80,422.16/x
  3. Step 3: Cross multiply
    144,080.26x = 198,822.67 × 80,422.16
  4. Step 4: Simplify right side
    144,080.26x = 15,989,747,182.14
  5. Step 5: Solve for x
    x = 15,989,747,182.14/144,080.26
  6. Step 6: Final answer
    x = 110,978.06

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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.