Home / 112,222.75-154,867.41-61,921.75

Finding the Fourth Proportional to 112,222.75, 154,867.41 and 61,921.75

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Solution

The fourth proportional to 112,222.75, 154,867.41 and 61,921.75 is: 85,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,222.75 : 154,867.41 = 61,921.75 : x
  2. Step 2: Convert to fraction form
    112,222.75/154,867.41 = 61,921.75/x
  3. Step 3: Cross multiply
    112,222.75x = 154,867.41 × 61,921.75
  4. Step 4: Simplify right side
    112,222.75x = 9,589,661,045.17
  5. Step 5: Solve for x
    x = 9,589,661,045.17/112,222.75
  6. Step 6: Final answer
    x = 85,452.02

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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.