Home / 112,183.76-154,813.68-61,196.64

Finding the Fourth Proportional to 112,183.76, 154,813.68 and 61,196.64

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Solution

The fourth proportional to 112,183.76, 154,813.68 and 61,196.64 is: 84,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,183.76 : 154,813.68 = 61,196.64 : x
  2. Step 2: Convert to fraction form
    112,183.76/154,813.68 = 61,196.64/x
  3. Step 3: Cross multiply
    112,183.76x = 154,813.68 × 61,196.64
  4. Step 4: Simplify right side
    112,183.76x = 9,474,077,042.04
  5. Step 5: Solve for x
    x = 9,474,077,042.04/112,183.76
  6. Step 6: Final answer
    x = 84,451.41

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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.