Home / 204,881.20-282,630.67-136,876.43

Finding the Fourth Proportional to 204,881.20, 282,630.67 and 136,876.43

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Solution

The fourth proportional to 204,881.20, 282,630.67 and 136,876.43 is: 188,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,881.20 : 282,630.67 = 136,876.43 : x
  2. Step 2: Convert to fraction form
    204,881.20/282,630.67 = 136,876.43/x
  3. Step 3: Cross multiply
    204,881.20x = 282,630.67 × 136,876.43
  4. Step 4: Simplify right side
    204,881.20x = 38,685,477,482.49
  5. Step 5: Solve for x
    x = 38,685,477,482.49/204,881.20
  6. Step 6: Final answer
    x = 188,819.07

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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.