Home / 143,843.47-198,589.03-127,883.75

Finding the Fourth Proportional to 143,843.47, 198,589.03 and 127,883.75

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Solution

The fourth proportional to 143,843.47, 198,589.03 and 127,883.75 is: 176,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,843.47 : 198,589.03 = 127,883.75 : x
  2. Step 2: Convert to fraction form
    143,843.47/198,589.03 = 127,883.75/x
  3. Step 3: Cross multiply
    143,843.47x = 198,589.03 × 127,883.75
  4. Step 4: Simplify right side
    143,843.47x = 25,396,308,872.32
  5. Step 5: Solve for x
    x = 25,396,308,872.32/143,843.47
  6. Step 6: Final answer
    x = 176,555.18

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1.5x scale

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.