Home / 204,865.36-282,949.60-136,763.76

Finding the Fourth Proportional to 204,865.36, 282,949.60 and 136,763.76

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Solution

The fourth proportional to 204,865.36, 282,949.60 and 136,763.76 is: 188,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,865.36 : 282,949.60 = 136,763.76 : x
  2. Step 2: Convert to fraction form
    204,865.36/282,949.60 = 136,763.76/x
  3. Step 3: Cross multiply
    204,865.36x = 282,949.60 × 136,763.76
  4. Step 4: Simplify right side
    204,865.36x = 38,697,251,186.50
  5. Step 5: Solve for x
    x = 38,697,251,186.50/204,865.36
  6. Step 6: Final answer
    x = 188,891.14

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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.