Home / 140,613.28-193,844.52-100,257.04

Finding the Fourth Proportional to 140,613.28, 193,844.52 and 100,257.04

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Solution

The fourth proportional to 140,613.28, 193,844.52 and 100,257.04 is: 138,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,613.28 : 193,844.52 = 100,257.04 : x
  2. Step 2: Convert to fraction form
    140,613.28/193,844.52 = 100,257.04/x
  3. Step 3: Cross multiply
    140,613.28x = 193,844.52 × 100,257.04
  4. Step 4: Simplify right side
    140,613.28x = 19,434,277,795.42
  5. Step 5: Solve for x
    x = 19,434,277,795.42/140,613.28
  6. Step 6: Final answer
    x = 138,210.83

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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.