Home / 140,612.28-193,843.14-100,256.04

Finding the Fourth Proportional to 140,612.28, 193,843.14 and 100,256.04

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Solution

The fourth proportional to 140,612.28, 193,843.14 and 100,256.04 is: 138,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,612.28 : 193,843.14 = 100,256.04 : x
  2. Step 2: Convert to fraction form
    140,612.28/193,843.14 = 100,256.04/x
  3. Step 3: Cross multiply
    140,612.28x = 193,843.14 × 100,256.04
  4. Step 4: Simplify right side
    140,612.28x = 19,433,945,597.57
  5. Step 5: Solve for x
    x = 19,433,945,597.57/140,612.28
  6. Step 6: Final answer
    x = 138,209.45

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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.