Home / 140,026.12-193,247.52-79,615.72

Finding the Fourth Proportional to 140,026.12, 193,247.52 and 79,615.72

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Solution

The fourth proportional to 140,026.12, 193,247.52 and 79,615.72 is: 109,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,026.12 : 193,247.52 = 79,615.72 : x
  2. Step 2: Convert to fraction form
    140,026.12/193,247.52 = 79,615.72/x
  3. Step 3: Cross multiply
    140,026.12x = 193,247.52 × 79,615.72
  4. Step 4: Simplify right side
    140,026.12x = 15,385,540,443.01
  5. Step 5: Solve for x
    x = 15,385,540,443.01/140,026.12
  6. Step 6: Final answer
    x = 109,876.22

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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.