Home / 269,049.12-403,573.68-126,861.30

Finding the Fourth Proportional to 269,049.12, 403,573.68 and 126,861.30

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Solution

The fourth proportional to 269,049.12, 403,573.68 and 126,861.30 is: 190,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,049.12 : 403,573.68 = 126,861.30 : x
  2. Step 2: Convert to fraction form
    269,049.12/403,573.68 = 126,861.30/x
  3. Step 3: Cross multiply
    269,049.12x = 403,573.68 × 126,861.30
  4. Step 4: Simplify right side
    269,049.12x = 51,197,881,690.58
  5. Step 5: Solve for x
    x = 51,197,881,690.58/269,049.12
  6. Step 6: Final answer
    x = 190,291.95

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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.