Home / 147,610.34-203,704.62-80,542.34

Finding the Fourth Proportional to 147,610.34, 203,704.62 and 80,542.34

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Solution

The fourth proportional to 147,610.34, 203,704.62 and 80,542.34 is: 111,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,610.34 : 203,704.62 = 80,542.34 : x
  2. Step 2: Convert to fraction form
    147,610.34/203,704.62 = 80,542.34/x
  3. Step 3: Cross multiply
    147,610.34x = 203,704.62 × 80,542.34
  4. Step 4: Simplify right side
    147,610.34x = 16,406,846,763.61
  5. Step 5: Solve for x
    x = 16,406,846,763.61/147,610.34
  6. Step 6: Final answer
    x = 111,149.71

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1.5x scale

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.