Home / 121,248.27-167,311.35-70,263

Finding the Fourth Proportional to 121,248.27, 167,311.35 and 70,263

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Solution

The fourth proportional to 121,248.27, 167,311.35 and 70,263 is: 96,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,248.27 : 167,311.35 = 70,263 : x
  2. Step 2: Convert to fraction form
    121,248.27/167,311.35 = 70,263/x
  3. Step 3: Cross multiply
    121,248.27x = 167,311.35 × 70,263
  4. Step 4: Simplify right side
    121,248.27x = 11,755,797,385.05
  5. Step 5: Solve for x
    x = 11,755,797,385.05/121,248.27
  6. Step 6: Final answer
    x = 96,956.41

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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.