Home / 112,183.18-154,808.22-61,882.18

Finding the Fourth Proportional to 112,183.18, 154,808.22 and 61,882.18

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Solution

The fourth proportional to 112,183.18, 154,808.22 and 61,882.18 is: 85,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,183.18 : 154,808.22 = 61,882.18 : x
  2. Step 2: Convert to fraction form
    112,183.18/154,808.22 = 61,882.18/x
  3. Step 3: Cross multiply
    112,183.18x = 154,808.22 × 61,882.18
  4. Step 4: Simplify right side
    112,183.18x = 9,579,870,135.52
  5. Step 5: Solve for x
    x = 9,579,870,135.52/112,183.18
  6. Step 6: Final answer
    x = 85,394.89

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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.