Home / 222,889.13-307,592.39-122,287.13

Finding the Fourth Proportional to 222,889.13, 307,592.39 and 122,287.13

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Solution

The fourth proportional to 222,889.13, 307,592.39 and 122,287.13 is: 168,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,889.13 : 307,592.39 = 122,287.13 : x
  2. Step 2: Convert to fraction form
    222,889.13/307,592.39 = 122,287.13/x
  3. Step 3: Cross multiply
    222,889.13x = 307,592.39 × 122,287.13
  4. Step 4: Simplify right side
    222,889.13x = 37,614,589,350.70
  5. Step 5: Solve for x
    x = 37,614,589,350.70/222,889.13
  6. Step 6: Final answer
    x = 168,759.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.