Home / 140,100.75-193,339.04-89,799.75

Finding the Fourth Proportional to 140,100.75, 193,339.04 and 89,799.75

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Solution

The fourth proportional to 140,100.75, 193,339.04 and 89,799.75 is: 123,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,100.75 : 193,339.04 = 89,799.75 : x
  2. Step 2: Convert to fraction form
    140,100.75/193,339.04 = 89,799.75/x
  3. Step 3: Cross multiply
    140,100.75x = 193,339.04 × 89,799.75
  4. Step 4: Simplify right side
    140,100.75x = 17,361,797,008.24
  5. Step 5: Solve for x
    x = 17,361,797,008.24/140,100.75
  6. Step 6: Final answer
    x = 123,923.66

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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.