Home / 112,220.25-154,867.20-61,922.49

Finding the Fourth Proportional to 112,220.25, 154,867.20 and 61,922.49

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Solution

The fourth proportional to 112,220.25, 154,867.20 and 61,922.49 is: 85,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,220.25 : 154,867.20 = 61,922.49 : x
  2. Step 2: Convert to fraction form
    112,220.25/154,867.20 = 61,922.49/x
  3. Step 3: Cross multiply
    112,220.25x = 154,867.20 × 61,922.49
  4. Step 4: Simplify right side
    112,220.25x = 9,589,762,643.33
  5. Step 5: Solve for x
    x = 9,589,762,643.33/112,220.25
  6. Step 6: Final answer
    x = 85,454.83

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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.