Home / 136,819.04-188,758.32-83,083.76

Finding the Fourth Proportional to 136,819.04, 188,758.32 and 83,083.76

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Solution

The fourth proportional to 136,819.04, 188,758.32 and 83,083.76 is: 114,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,819.04 : 188,758.32 = 83,083.76 : x
  2. Step 2: Convert to fraction form
    136,819.04/188,758.32 = 83,083.76/x
  3. Step 3: Cross multiply
    136,819.04x = 188,758.32 × 83,083.76
  4. Step 4: Simplify right side
    136,819.04x = 15,682,750,956.88
  5. Step 5: Solve for x
    x = 15,682,750,956.88/136,819.04
  6. Step 6: Final answer
    x = 114,624.04

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1.5x scale

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.