Home / 147,700.92-203,826.24-80,632.92

Finding the Fourth Proportional to 147,700.92, 203,826.24 and 80,632.92

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Solution

The fourth proportional to 147,700.92, 203,826.24 and 80,632.92 is: 111,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,700.92 : 203,826.24 = 80,632.92 : x
  2. Step 2: Convert to fraction form
    147,700.92/203,826.24 = 80,632.92/x
  3. Step 3: Cross multiply
    147,700.92x = 203,826.24 × 80,632.92
  4. Step 4: Simplify right side
    147,700.92x = 16,435,105,010.22
  5. Step 5: Solve for x
    x = 16,435,105,010.22/147,700.92
  6. Step 6: Final answer
    x = 111,272.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.