Home / 327,158.28-490,536.45-127,245.66

Finding the Fourth Proportional to 327,158.28, 490,536.45 and 127,245.66

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Solution

The fourth proportional to 327,158.28, 490,536.45 and 127,245.66 is: 190,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,158.28 : 490,536.45 = 127,245.66 : x
  2. Step 2: Convert to fraction form
    327,158.28/490,536.45 = 127,245.66/x
  3. Step 3: Cross multiply
    327,158.28x = 490,536.45 × 127,245.66
  4. Step 4: Simplify right side
    327,158.28x = 62,418,634,334.31
  5. Step 5: Solve for x
    x = 62,418,634,334.31/327,158.28
  6. Step 6: Final answer
    x = 190,790.32

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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.