Home / 139,472.43-192,521.30-82,883.13

Finding the Fourth Proportional to 139,472.43, 192,521.30 and 82,883.13

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Solution

The fourth proportional to 139,472.43, 192,521.30 and 82,883.13 is: 114,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,472.43 : 192,521.30 = 82,883.13 : x
  2. Step 2: Convert to fraction form
    139,472.43/192,521.30 = 82,883.13/x
  3. Step 3: Cross multiply
    139,472.43x = 192,521.30 × 82,883.13
  4. Step 4: Simplify right side
    139,472.43x = 15,956,767,935.67
  5. Step 5: Solve for x
    x = 15,956,767,935.67/139,472.43
  6. Step 6: Final answer
    x = 114,408.04

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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.