Home / 140,275.91-193,577.76-76,613.96

Finding the Fourth Proportional to 140,275.91, 193,577.76 and 76,613.96

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Solution

The fourth proportional to 140,275.91, 193,577.76 and 76,613.96 is: 105,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,275.91 : 193,577.76 = 76,613.96 : x
  2. Step 2: Convert to fraction form
    140,275.91/193,577.76 = 76,613.96/x
  3. Step 3: Cross multiply
    140,275.91x = 193,577.76 × 76,613.96
  4. Step 4: Simplify right side
    140,275.91x = 14,830,757,793.64
  5. Step 5: Solve for x
    x = 14,830,757,793.64/140,275.91
  6. Step 6: Final answer
    x = 105,725.63

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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.