Home / 188,069.85-282,123-54,947.16

Finding the Fourth Proportional to 188,069.85, 282,123 and 54,947.16

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Solution

The fourth proportional to 188,069.85, 282,123 and 54,947.16 is: 82,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,069.85 : 282,123 = 54,947.16 : x
  2. Step 2: Convert to fraction form
    188,069.85/282,123 = 54,947.16/x
  3. Step 3: Cross multiply
    188,069.85x = 282,123 × 54,947.16
  4. Step 4: Simplify right side
    188,069.85x = 15,501,857,620.68
  5. Step 5: Solve for x
    x = 15,501,857,620.68/188,069.85
  6. Step 6: Final answer
    x = 82,426.06

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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.