Home / 103,624.26-155,436.39-68,555.73

Finding the Fourth Proportional to 103,624.26, 155,436.39 and 68,555.73

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Solution

The fourth proportional to 103,624.26, 155,436.39 and 68,555.73 is: 102,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.26 : 155,436.39 = 68,555.73 : x
  2. Step 2: Convert to fraction form
    103,624.26/155,436.39 = 68,555.73/x
  3. Step 3: Cross multiply
    103,624.26x = 155,436.39 × 68,555.73
  4. Step 4: Simplify right side
    103,624.26x = 10,656,055,185.01
  5. Step 5: Solve for x
    x = 10,656,055,185.01/103,624.26
  6. Step 6: Final answer
    x = 102,833.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.