Home / 136,819.60-205,251-57,934.32

Finding the Fourth Proportional to 136,819.60, 205,251 and 57,934.32

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Solution

The fourth proportional to 136,819.60, 205,251 and 57,934.32 is: 86,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,819.60 : 205,251 = 57,934.32 : x
  2. Step 2: Convert to fraction form
    136,819.60/205,251 = 57,934.32/x
  3. Step 3: Cross multiply
    136,819.60x = 205,251 × 57,934.32
  4. Step 4: Simplify right side
    136,819.60x = 11,891,077,114.32
  5. Step 5: Solve for x
    x = 11,891,077,114.32/136,819.60
  6. Step 6: Final answer
    x = 86,910.63

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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.