Home / 362,020.20-543,118.08-109,285.58

Finding the Fourth Proportional to 362,020.20, 543,118.08 and 109,285.58

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Solution

The fourth proportional to 362,020.20, 543,118.08 and 109,285.58 is: 163,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,020.20 : 543,118.08 = 109,285.58 : x
  2. Step 2: Convert to fraction form
    362,020.20/543,118.08 = 109,285.58/x
  3. Step 3: Cross multiply
    362,020.20x = 543,118.08 × 109,285.58
  4. Step 4: Simplify right side
    362,020.20x = 59,354,976,148.90
  5. Step 5: Solve for x
    x = 59,354,976,148.90/362,020.20
  6. Step 6: Final answer
    x = 163,954.88

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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.