Home / 327,151.17-490,750.08-87,263.73

Finding the Fourth Proportional to 327,151.17, 490,750.08 and 87,263.73

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Solution

The fourth proportional to 327,151.17, 490,750.08 and 87,263.73 is: 130,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,151.17 : 490,750.08 = 87,263.73 : x
  2. Step 2: Convert to fraction form
    327,151.17/490,750.08 = 87,263.73/x
  3. Step 3: Cross multiply
    327,151.17x = 490,750.08 × 87,263.73
  4. Step 4: Simplify right side
    327,151.17x = 42,824,680,024.85
  5. Step 5: Solve for x
    x = 42,824,680,024.85/327,151.17
  6. Step 6: Final answer
    x = 130,901.81

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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.