Home / 112,217.26-154,863.06-61,919.50

Finding the Fourth Proportional to 112,217.26, 154,863.06 and 61,919.50

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Solution

The fourth proportional to 112,217.26, 154,863.06 and 61,919.50 is: 85,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,217.26 : 154,863.06 = 61,919.50 : x
  2. Step 2: Convert to fraction form
    112,217.26/154,863.06 = 61,919.50/x
  3. Step 3: Cross multiply
    112,217.26x = 154,863.06 × 61,919.50
  4. Step 4: Simplify right side
    112,217.26x = 9,589,043,243.67
  5. Step 5: Solve for x
    x = 9,589,043,243.67/112,217.26
  6. Step 6: Final answer
    x = 85,450.70

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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.