Home / 362,022.20-543,121.08-109,287.58

Finding the Fourth Proportional to 362,022.20, 543,121.08 and 109,287.58

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Solution

The fourth proportional to 362,022.20, 543,121.08 and 109,287.58 is: 163,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,022.20 : 543,121.08 = 109,287.58 : x
  2. Step 2: Convert to fraction form
    362,022.20/543,121.08 = 109,287.58/x
  3. Step 3: Cross multiply
    362,022.20x = 543,121.08 × 109,287.58
  4. Step 4: Simplify right side
    362,022.20x = 59,356,388,480.19
  5. Step 5: Solve for x
    x = 59,356,388,480.19/362,022.20
  6. Step 6: Final answer
    x = 163,957.87

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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.