Home / 140,676.93-194,152.64-80,233.72

Finding the Fourth Proportional to 140,676.93, 194,152.64 and 80,233.72

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Solution

The fourth proportional to 140,676.93, 194,152.64 and 80,233.72 is: 110,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,676.93 : 194,152.64 = 80,233.72 : x
  2. Step 2: Convert to fraction form
    140,676.93/194,152.64 = 80,233.72/x
  3. Step 3: Cross multiply
    140,676.93x = 194,152.64 × 80,233.72
  4. Step 4: Simplify right side
    140,676.93x = 15,577,587,668.47
  5. Step 5: Solve for x
    x = 15,577,587,668.47/140,676.93
  6. Step 6: Final answer
    x = 110,733.07

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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.