Home / 168,086.46-231,959.34-91,605.54

Finding the Fourth Proportional to 168,086.46, 231,959.34 and 91,605.54

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Solution

The fourth proportional to 168,086.46, 231,959.34 and 91,605.54 is: 126,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,086.46 : 231,959.34 = 91,605.54 : x
  2. Step 2: Convert to fraction form
    168,086.46/231,959.34 = 91,605.54/x
  3. Step 3: Cross multiply
    168,086.46x = 231,959.34 × 91,605.54
  4. Step 4: Simplify right side
    168,086.46x = 21,248,760,598.74
  5. Step 5: Solve for x
    x = 21,248,760,598.74/168,086.46
  6. Step 6: Final answer
    x = 126,415.66

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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.