Home / 140,514.46-193,913.27-80,090.71

Finding the Fourth Proportional to 140,514.46, 193,913.27 and 80,090.71

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Solution

The fourth proportional to 140,514.46, 193,913.27 and 80,090.71 is: 110,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,514.46 : 193,913.27 = 80,090.71 : x
  2. Step 2: Convert to fraction form
    140,514.46/193,913.27 = 80,090.71/x
  3. Step 3: Cross multiply
    140,514.46x = 193,913.27 × 80,090.71
  4. Step 4: Simplify right side
    140,514.46x = 15,530,651,472.72
  5. Step 5: Solve for x
    x = 15,530,651,472.72/140,514.46
  6. Step 6: Final answer
    x = 110,527.07

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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.