Home / 118,972.10-164,195.22-71,225.42

Finding the Fourth Proportional to 118,972.10, 164,195.22 and 71,225.42

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Solution

The fourth proportional to 118,972.10, 164,195.22 and 71,225.42 is: 98,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,972.10 : 164,195.22 = 71,225.42 : x
  2. Step 2: Convert to fraction form
    118,972.10/164,195.22 = 71,225.42/x
  3. Step 3: Cross multiply
    118,972.10x = 164,195.22 × 71,225.42
  4. Step 4: Simplify right side
    118,972.10x = 11,694,873,506.49
  5. Step 5: Solve for x
    x = 11,694,873,506.49/118,972.10
  6. Step 6: Final answer
    x = 98,299.29

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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.