Home / 143,348.97-197,775.27-79,674.48

Finding the Fourth Proportional to 143,348.97, 197,775.27 and 79,674.48

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Solution

The fourth proportional to 143,348.97, 197,775.27 and 79,674.48 is: 109,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,348.97 : 197,775.27 = 79,674.48 : x
  2. Step 2: Convert to fraction form
    143,348.97/197,775.27 = 79,674.48/x
  3. Step 3: Cross multiply
    143,348.97x = 197,775.27 × 79,674.48
  4. Step 4: Simplify right side
    143,348.97x = 15,757,641,794.11
  5. Step 5: Solve for x
    x = 15,757,641,794.11/143,348.97
  6. Step 6: Final answer
    x = 109,925.04

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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.