Home / 362,221.15-543,115.72-222,080.35

Finding the Fourth Proportional to 362,221.15, 543,115.72 and 222,080.35

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Solution

The fourth proportional to 362,221.15, 543,115.72 and 222,080.35 is: 332,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,221.15 : 543,115.72 = 222,080.35 : x
  2. Step 2: Convert to fraction form
    362,221.15/543,115.72 = 222,080.35/x
  3. Step 3: Cross multiply
    362,221.15x = 543,115.72 × 222,080.35
  4. Step 4: Simplify right side
    362,221.15x = 120,615,329,188.10
  5. Step 5: Solve for x
    x = 120,615,329,188.10/362,221.15
  6. Step 6: Final answer
    x = 332,988.09

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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.