Home / 198,382.59-297,576.32-58,144.05

Finding the Fourth Proportional to 198,382.59, 297,576.32 and 58,144.05

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Solution

The fourth proportional to 198,382.59, 297,576.32 and 58,144.05 is: 87,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,382.59 : 297,576.32 = 58,144.05 : x
  2. Step 2: Convert to fraction form
    198,382.59/297,576.32 = 58,144.05/x
  3. Step 3: Cross multiply
    198,382.59x = 297,576.32 × 58,144.05
  4. Step 4: Simplify right side
    198,382.59x = 17,302,292,138.18
  5. Step 5: Solve for x
    x = 17,302,292,138.18/198,382.59
  6. Step 6: Final answer
    x = 87,216.79

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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.