Home / 112,600.13-155,357.60-67,257.95

Finding the Fourth Proportional to 112,600.13, 155,357.60 and 67,257.95

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Solution

The fourth proportional to 112,600.13, 155,357.60 and 67,257.95 is: 92,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,600.13 : 155,357.60 = 67,257.95 : x
  2. Step 2: Convert to fraction form
    112,600.13/155,357.60 = 67,257.95/x
  3. Step 3: Cross multiply
    112,600.13x = 155,357.60 × 67,257.95
  4. Step 4: Simplify right side
    112,600.13x = 10,449,032,579.84
  5. Step 5: Solve for x
    x = 10,449,032,579.84/112,600.13
  6. Step 6: Final answer
    x = 92,797.70

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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.