Home / 188,245.87-282,424.10-75,868.24

Finding the Fourth Proportional to 188,245.87, 282,424.10 and 75,868.24

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Solution

The fourth proportional to 188,245.87, 282,424.10 and 75,868.24 is: 113,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,245.87 : 282,424.10 = 75,868.24 : x
  2. Step 2: Convert to fraction form
    188,245.87/282,424.10 = 75,868.24/x
  3. Step 3: Cross multiply
    188,245.87x = 282,424.10 × 75,868.24
  4. Step 4: Simplify right side
    188,245.87x = 21,427,019,400.58
  5. Step 5: Solve for x
    x = 21,427,019,400.58/188,245.87
  6. Step 6: Final answer
    x = 113,824.65

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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.