Home / 143,839.88-198,584.16-127,880.24

Finding the Fourth Proportional to 143,839.88, 198,584.16 and 127,880.24

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Solution

The fourth proportional to 143,839.88, 198,584.16 and 127,880.24 is: 176,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,839.88 : 198,584.16 = 127,880.24 : x
  2. Step 2: Convert to fraction form
    143,839.88/198,584.16 = 127,880.24/x
  3. Step 3: Cross multiply
    143,839.88x = 198,584.16 × 127,880.24
  4. Step 4: Simplify right side
    143,839.88x = 25,394,990,244.08
  5. Step 5: Solve for x
    x = 25,394,990,244.08/143,839.88
  6. Step 6: Final answer
    x = 176,550.42

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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.