Home / 168,031-231,882.80-92,581.12

Finding the Fourth Proportional to 168,031, 231,882.80 and 92,581.12

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Solution

The fourth proportional to 168,031, 231,882.80 and 92,581.12 is: 127,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031 : 231,882.80 = 92,581.12 : x
  2. Step 2: Convert to fraction form
    168,031/231,882.80 = 92,581.12/x
  3. Step 3: Cross multiply
    168,031x = 231,882.80 × 92,581.12
  4. Step 4: Simplify right side
    168,031x = 21,467,969,332.74
  5. Step 5: Solve for x
    x = 21,467,969,332.74/168,031
  6. Step 6: Final answer
    x = 127,761.96

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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.