Home / 140,016.20-193,222.68-79,587.23

Finding the Fourth Proportional to 140,016.20, 193,222.68 and 79,587.23

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Solution

The fourth proportional to 140,016.20, 193,222.68 and 79,587.23 is: 109,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,016.20 : 193,222.68 = 79,587.23 : x
  2. Step 2: Convert to fraction form
    140,016.20/193,222.68 = 79,587.23/x
  3. Step 3: Cross multiply
    140,016.20x = 193,222.68 × 79,587.23
  4. Step 4: Simplify right side
    140,016.20x = 15,378,057,874.38
  5. Step 5: Solve for x
    x = 15,378,057,874.38/140,016.20
  6. Step 6: Final answer
    x = 109,830.56

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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.