Home / 195,115.04-269,259.20-105,691.04

Finding the Fourth Proportional to 195,115.04, 269,259.20 and 105,691.04

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Solution

The fourth proportional to 195,115.04, 269,259.20 and 105,691.04 is: 145,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,115.04 : 269,259.20 = 105,691.04 : x
  2. Step 2: Convert to fraction form
    195,115.04/269,259.20 = 105,691.04/x
  3. Step 3: Cross multiply
    195,115.04x = 269,259.20 × 105,691.04
  4. Step 4: Simplify right side
    195,115.04x = 28,458,284,877.57
  5. Step 5: Solve for x
    x = 28,458,284,877.57/195,115.04
  6. Step 6: Final answer
    x = 145,853.88

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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.