Home / 140,524.24-193,922.04-76,863.28

Finding the Fourth Proportional to 140,524.24, 193,922.04 and 76,863.28

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Solution

The fourth proportional to 140,524.24, 193,922.04 and 76,863.28 is: 106,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,524.24 : 193,922.04 = 76,863.28 : x
  2. Step 2: Convert to fraction form
    140,524.24/193,922.04 = 76,863.28/x
  3. Step 3: Cross multiply
    140,524.24x = 193,922.04 × 76,863.28
  4. Step 4: Simplify right side
    140,524.24x = 14,905,484,058.69
  5. Step 5: Solve for x
    x = 14,905,484,058.69/140,524.24
  6. Step 6: Final answer
    x = 106,070.55

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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.