Home / 327,089.20-490,666.20-113,824.30

Finding the Fourth Proportional to 327,089.20, 490,666.20 and 113,824.30

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Solution

The fourth proportional to 327,089.20, 490,666.20 and 113,824.30 is: 170,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,089.20 : 490,666.20 = 113,824.30 : x
  2. Step 2: Convert to fraction form
    327,089.20/490,666.20 = 113,824.30/x
  3. Step 3: Cross multiply
    327,089.20x = 490,666.20 × 113,824.30
  4. Step 4: Simplify right side
    327,089.20x = 55,849,736,748.66
  5. Step 5: Solve for x
    x = 55,849,736,748.66/327,089.20
  6. Step 6: Final answer
    x = 170,747.72

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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.