Home / 362,621.30-543,849.96-137,901.65

Finding the Fourth Proportional to 362,621.30, 543,849.96 and 137,901.65

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Solution

The fourth proportional to 362,621.30, 543,849.96 and 137,901.65 is: 206,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,621.30 : 543,849.96 = 137,901.65 : x
  2. Step 2: Convert to fraction form
    362,621.30/543,849.96 = 137,901.65/x
  3. Step 3: Cross multiply
    362,621.30x = 543,849.96 × 137,901.65
  4. Step 4: Simplify right side
    362,621.30x = 74,997,806,836.43
  5. Step 5: Solve for x
    x = 74,997,806,836.43/362,621.30
  6. Step 6: Final answer
    x = 206,821.29

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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.