Home / 112,494.05-155,244.23-67,163.58

Finding the Fourth Proportional to 112,494.05, 155,244.23 and 67,163.58

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Solution

The fourth proportional to 112,494.05, 155,244.23 and 67,163.58 is: 92,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,494.05 : 155,244.23 = 67,163.58 : x
  2. Step 2: Convert to fraction form
    112,494.05/155,244.23 = 67,163.58/x
  3. Step 3: Cross multiply
    112,494.05x = 155,244.23 × 67,163.58
  4. Step 4: Simplify right side
    112,494.05x = 10,426,758,261.14
  5. Step 5: Solve for x
    x = 10,426,758,261.14/112,494.05
  6. Step 6: Final answer
    x = 92,687.20

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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.