Home / 112,205.32-154,815.66-68,586.70

Finding the Fourth Proportional to 112,205.32, 154,815.66 and 68,586.70

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Solution

The fourth proportional to 112,205.32, 154,815.66 and 68,586.70 is: 94,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,205.32 : 154,815.66 = 68,586.70 : x
  2. Step 2: Convert to fraction form
    112,205.32/154,815.66 = 68,586.70/x
  3. Step 3: Cross multiply
    112,205.32x = 154,815.66 × 68,586.70
  4. Step 4: Simplify right side
    112,205.32x = 10,618,295,227.72
  5. Step 5: Solve for x
    x = 10,618,295,227.72/112,205.32
  6. Step 6: Final answer
    x = 94,632.73

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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.