Home / 168,040.76-231,901.50-96,433.88

Finding the Fourth Proportional to 168,040.76, 231,901.50 and 96,433.88

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Solution

The fourth proportional to 168,040.76, 231,901.50 and 96,433.88 is: 133,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,040.76 : 231,901.50 = 96,433.88 : x
  2. Step 2: Convert to fraction form
    168,040.76/231,901.50 = 96,433.88/x
  3. Step 3: Cross multiply
    168,040.76x = 231,901.50 × 96,433.88
  4. Step 4: Simplify right side
    168,040.76x = 22,363,161,422.82
  5. Step 5: Solve for x
    x = 22,363,161,422.82/168,040.76
  6. Step 6: Final answer
    x = 133,081.77

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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.