Home / 129,860.20-194,877.76-50,965.12

Finding the Fourth Proportional to 129,860.20, 194,877.76 and 50,965.12

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Solution

The fourth proportional to 129,860.20, 194,877.76 and 50,965.12 is: 76,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,860.20 : 194,877.76 = 50,965.12 : x
  2. Step 2: Convert to fraction form
    129,860.20/194,877.76 = 50,965.12/x
  3. Step 3: Cross multiply
    129,860.20x = 194,877.76 × 50,965.12
  4. Step 4: Simplify right side
    129,860.20x = 9,931,968,423.73
  5. Step 5: Solve for x
    x = 9,931,968,423.73/129,860.20
  6. Step 6: Final answer
    x = 76,482.00

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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.