Home / 112,216.11-154,718.16-71,863.53

Finding the Fourth Proportional to 112,216.11, 154,718.16 and 71,863.53

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Solution

The fourth proportional to 112,216.11, 154,718.16 and 71,863.53 is: 99,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,216.11 : 154,718.16 = 71,863.53 : x
  2. Step 2: Convert to fraction form
    112,216.11/154,718.16 = 71,863.53/x
  3. Step 3: Cross multiply
    112,216.11x = 154,718.16 × 71,863.53
  4. Step 4: Simplify right side
    112,216.11x = 11,118,593,132.70
  5. Step 5: Solve for x
    x = 11,118,593,132.70/112,216.11
  6. Step 6: Final answer
    x = 99,081.97

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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.