Home / 112,044.76-154,651.62-66,144.76

Finding the Fourth Proportional to 112,044.76, 154,651.62 and 66,144.76

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Solution

The fourth proportional to 112,044.76, 154,651.62 and 66,144.76 is: 91,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,044.76 : 154,651.62 = 66,144.76 : x
  2. Step 2: Convert to fraction form
    112,044.76/154,651.62 = 66,144.76/x
  3. Step 3: Cross multiply
    112,044.76x = 154,651.62 × 66,144.76
  4. Step 4: Simplify right side
    112,044.76x = 10,229,394,288.51
  5. Step 5: Solve for x
    x = 10,229,394,288.51/112,044.76
  6. Step 6: Final answer
    x = 91,297.39

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Double scale
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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.