Home / 222,286.36-306,784.38-126,771.16

Finding the Fourth Proportional to 222,286.36, 306,784.38 and 126,771.16

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Solution

The fourth proportional to 222,286.36, 306,784.38 and 126,771.16 is: 174,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,286.36 : 306,784.38 = 126,771.16 : x
  2. Step 2: Convert to fraction form
    222,286.36/306,784.38 = 126,771.16/x
  3. Step 3: Cross multiply
    222,286.36x = 306,784.38 × 126,771.16
  4. Step 4: Simplify right side
    222,286.36x = 38,891,411,722.48
  5. Step 5: Solve for x
    x = 38,891,411,722.48/222,286.36
  6. Step 6: Final answer
    x = 174,960.86

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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.