Home / 362,220.90-543,115.35-222,080.10

Finding the Fourth Proportional to 362,220.90, 543,115.35 and 222,080.10

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Solution

The fourth proportional to 362,220.90, 543,115.35 and 222,080.10 is: 332,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,220.90 : 543,115.35 = 222,080.10 : x
  2. Step 2: Convert to fraction form
    362,220.90/543,115.35 = 222,080.10/x
  3. Step 3: Cross multiply
    362,220.90x = 543,115.35 × 222,080.10
  4. Step 4: Simplify right side
    362,220.90x = 120,615,111,239.54
  5. Step 5: Solve for x
    x = 120,615,111,239.54/362,220.90
  6. Step 6: Final answer
    x = 332,987.72

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1.5x scale

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.