Home / 140,565.39-193,961.12-83,964.75

Finding the Fourth Proportional to 140,565.39, 193,961.12 and 83,964.75

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Solution

The fourth proportional to 140,565.39, 193,961.12 and 83,964.75 is: 115,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,565.39 : 193,961.12 = 83,964.75 : x
  2. Step 2: Convert to fraction form
    140,565.39/193,961.12 = 83,964.75/x
  3. Step 3: Cross multiply
    140,565.39x = 193,961.12 × 83,964.75
  4. Step 4: Simplify right side
    140,565.39x = 16,285,896,530.70
  5. Step 5: Solve for x
    x = 16,285,896,530.70/140,565.39
  6. Step 6: Final answer
    x = 115,859.93

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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.