Home / 167,705.12-231,274.24-107,294.88

Finding the Fourth Proportional to 167,705.12, 231,274.24 and 107,294.88

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Solution

The fourth proportional to 167,705.12, 231,274.24 and 107,294.88 is: 147,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,705.12 : 231,274.24 = 107,294.88 : x
  2. Step 2: Convert to fraction form
    167,705.12/231,274.24 = 107,294.88/x
  3. Step 3: Cross multiply
    167,705.12x = 231,274.24 × 107,294.88
  4. Step 4: Simplify right side
    167,705.12x = 24,814,541,827.89
  5. Step 5: Solve for x
    x = 24,814,541,827.89/167,705.12
  6. Step 6: Final answer
    x = 147,965.32

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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.