Home / 222,186.24-306,609.39-126,723.69

Finding the Fourth Proportional to 222,186.24, 306,609.39 and 126,723.69

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Solution

The fourth proportional to 222,186.24, 306,609.39 and 126,723.69 is: 174,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,186.24 : 306,609.39 = 126,723.69 : x
  2. Step 2: Convert to fraction form
    222,186.24/306,609.39 = 126,723.69/x
  3. Step 3: Cross multiply
    222,186.24x = 306,609.39 × 126,723.69
  4. Step 4: Simplify right side
    222,186.24x = 38,854,673,289.45
  5. Step 5: Solve for x
    x = 38,854,673,289.45/222,186.24
  6. Step 6: Final answer
    x = 174,874.35

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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.