Home / 144,080.27-198,822.66-80,422.16

Finding the Fourth Proportional to 144,080.27, 198,822.66 and 80,422.16

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Solution

The fourth proportional to 144,080.27, 198,822.66 and 80,422.16 is: 110,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,080.27 : 198,822.66 = 80,422.16 : x
  2. Step 2: Convert to fraction form
    144,080.27/198,822.66 = 80,422.16/x
  3. Step 3: Cross multiply
    144,080.27x = 198,822.66 × 80,422.16
  4. Step 4: Simplify right side
    144,080.27x = 15,989,746,780.03
  5. Step 5: Solve for x
    x = 15,989,746,780.03/144,080.27
  6. Step 6: Final answer
    x = 110,978.05

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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.