Home / 198,260.80-296,939.77-155,298.02

Finding the Fourth Proportional to 198,260.80, 296,939.77 and 155,298.02

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Solution

The fourth proportional to 198,260.80, 296,939.77 and 155,298.02 is: 232,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,260.80 : 296,939.77 = 155,298.02 : x
  2. Step 2: Convert to fraction form
    198,260.80/296,939.77 = 155,298.02/x
  3. Step 3: Cross multiply
    198,260.80x = 296,939.77 × 155,298.02
  4. Step 4: Simplify right side
    198,260.80x = 46,114,156,467.31
  5. Step 5: Solve for x
    x = 46,114,156,467.31/198,260.80
  6. Step 6: Final answer
    x = 232,593.42

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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.