Home / 140,043.83-193,227.23-79,609.68

Finding the Fourth Proportional to 140,043.83, 193,227.23 and 79,609.68

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Solution

The fourth proportional to 140,043.83, 193,227.23 and 79,609.68 is: 109,842.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,043.83 : 193,227.23 = 79,609.68 : x
  2. Step 2: Convert to fraction form
    140,043.83/193,227.23 = 79,609.68/x
  3. Step 3: Cross multiply
    140,043.83x = 193,227.23 × 79,609.68
  4. Step 4: Simplify right side
    140,043.83x = 15,382,757,549.54
  5. Step 5: Solve for x
    x = 15,382,757,549.54/140,043.83
  6. Step 6: Final answer
    x = 109,842.46

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1.5x scale

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.