Home / 140,565.27-193,960.94-83,964.63

Finding the Fourth Proportional to 140,565.27, 193,960.94 and 83,964.63

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Solution

The fourth proportional to 140,565.27, 193,960.94 and 83,964.63 is: 115,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,565.27 : 193,960.94 = 83,964.63 : x
  2. Step 2: Convert to fraction form
    140,565.27/193,960.94 = 83,964.63/x
  3. Step 3: Cross multiply
    140,565.27x = 193,960.94 × 83,964.63
  4. Step 4: Simplify right side
    140,565.27x = 16,285,857,801.66
  5. Step 5: Solve for x
    x = 16,285,857,801.66/140,565.27
  6. Step 6: Final answer
    x = 115,859.76

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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.