Home / 109,868.24-164,408.70-95,128.04

Finding the Fourth Proportional to 109,868.24, 164,408.70 and 95,128.04

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Solution

The fourth proportional to 109,868.24, 164,408.70 and 95,128.04 is: 142,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,868.24 : 164,408.70 = 95,128.04 : x
  2. Step 2: Convert to fraction form
    109,868.24/164,408.70 = 95,128.04/x
  3. Step 3: Cross multiply
    109,868.24x = 164,408.70 × 95,128.04
  4. Step 4: Simplify right side
    109,868.24x = 15,639,877,389.95
  5. Step 5: Solve for x
    x = 15,639,877,389.95/109,868.24
  6. Step 6: Final answer
    x = 142,351.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.