Home / 140,059.44-193,286.52-76,399.92

Finding the Fourth Proportional to 140,059.44, 193,286.52 and 76,399.92

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Solution

The fourth proportional to 140,059.44, 193,286.52 and 76,399.92 is: 105,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,059.44 : 193,286.52 = 76,399.92 : x
  2. Step 2: Convert to fraction form
    140,059.44/193,286.52 = 76,399.92/x
  3. Step 3: Cross multiply
    140,059.44x = 193,286.52 × 76,399.92
  4. Step 4: Simplify right side
    140,059.44x = 14,767,074,665.08
  5. Step 5: Solve for x
    x = 14,767,074,665.08/140,059.44
  6. Step 6: Final answer
    x = 105,434.34

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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.