Home / 144,426.19-199,304.41-79,893.75

Finding the Fourth Proportional to 144,426.19, 199,304.41 and 79,893.75

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Solution

The fourth proportional to 144,426.19, 199,304.41 and 79,893.75 is: 110,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,426.19 : 199,304.41 = 79,893.75 : x
  2. Step 2: Convert to fraction form
    144,426.19/199,304.41 = 79,893.75/x
  3. Step 3: Cross multiply
    144,426.19x = 199,304.41 × 79,893.75
  4. Step 4: Simplify right side
    144,426.19x = 15,923,175,709.92
  5. Step 5: Solve for x
    x = 15,923,175,709.92/144,426.19
  6. Step 6: Final answer
    x = 110,251.30

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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.