Home / 203,340.27-280,601.92-112,697.78

Finding the Fourth Proportional to 203,340.27, 280,601.92 and 112,697.78

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Solution

The fourth proportional to 203,340.27, 280,601.92 and 112,697.78 is: 155,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,340.27 : 280,601.92 = 112,697.78 : x
  2. Step 2: Convert to fraction form
    203,340.27/280,601.92 = 112,697.78/x
  3. Step 3: Cross multiply
    203,340.27x = 280,601.92 × 112,697.78
  4. Step 4: Simplify right side
    203,340.27x = 31,623,213,447.74
  5. Step 5: Solve for x
    x = 31,623,213,447.74/203,340.27
  6. Step 6: Final answer
    x = 155,518.70

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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.