Home / 112,926.20-155,833.20-67,629.38

Finding the Fourth Proportional to 112,926.20, 155,833.20 and 67,629.38

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Solution

The fourth proportional to 112,926.20, 155,833.20 and 67,629.38 is: 93,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,926.20 : 155,833.20 = 67,629.38 : x
  2. Step 2: Convert to fraction form
    112,926.20/155,833.20 = 67,629.38/x
  3. Step 3: Cross multiply
    112,926.20x = 155,833.20 × 67,629.38
  4. Step 4: Simplify right side
    112,926.20x = 10,538,901,920.25
  5. Step 5: Solve for x
    x = 10,538,901,920.25/112,926.20
  6. Step 6: Final answer
    x = 93,325.57

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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.