Home / 126,040.76-188,864.26-107,243.49

Finding the Fourth Proportional to 126,040.76, 188,864.26 and 107,243.49

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Solution

The fourth proportional to 126,040.76, 188,864.26 and 107,243.49 is: 160,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,040.76 : 188,864.26 = 107,243.49 : x
  2. Step 2: Convert to fraction form
    126,040.76/188,864.26 = 107,243.49/x
  3. Step 3: Cross multiply
    126,040.76x = 188,864.26 × 107,243.49
  4. Step 4: Simplify right side
    126,040.76x = 20,254,462,818.80
  5. Step 5: Solve for x
    x = 20,254,462,818.80/126,040.76
  6. Step 6: Final answer
    x = 160,697.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.