Home / 140,379.24-193,723.43-76,717.04

Finding the Fourth Proportional to 140,379.24, 193,723.43 and 76,717.04

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Solution

The fourth proportional to 140,379.24, 193,723.43 and 76,717.04 is: 105,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,379.24 : 193,723.43 = 76,717.04 : x
  2. Step 2: Convert to fraction form
    140,379.24/193,723.43 = 76,717.04/x
  3. Step 3: Cross multiply
    140,379.24x = 193,723.43 × 76,717.04
  4. Step 4: Simplify right side
    140,379.24x = 14,861,886,776.04
  5. Step 5: Solve for x
    x = 14,861,886,776.04/140,379.24
  6. Step 6: Final answer
    x = 105,869.55

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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.