Home / 129,794.04-194,691.06-50,945.40

Finding the Fourth Proportional to 129,794.04, 194,691.06 and 50,945.40

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Solution

The fourth proportional to 129,794.04, 194,691.06 and 50,945.40 is: 76,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,794.04 : 194,691.06 = 50,945.40 : x
  2. Step 2: Convert to fraction form
    129,794.04/194,691.06 = 50,945.40/x
  3. Step 3: Cross multiply
    129,794.04x = 194,691.06 × 50,945.40
  4. Step 4: Simplify right side
    129,794.04x = 9,918,613,928.12
  5. Step 5: Solve for x
    x = 9,918,613,928.12/129,794.04
  6. Step 6: Final answer
    x = 76,418.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.