Home / 231,422.24-319,234.17-134,615.19

Finding the Fourth Proportional to 231,422.24, 319,234.17 and 134,615.19

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Solution

The fourth proportional to 231,422.24, 319,234.17 and 134,615.19 is: 185,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,422.24 : 319,234.17 = 134,615.19 : x
  2. Step 2: Convert to fraction form
    231,422.24/319,234.17 = 134,615.19/x
  3. Step 3: Cross multiply
    231,422.24x = 319,234.17 × 134,615.19
  4. Step 4: Simplify right side
    231,422.24x = 42,973,768,449.04
  5. Step 5: Solve for x
    x = 42,973,768,449.04/231,422.24
  6. Step 6: Final answer
    x = 185,694.21

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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.