Home / 222,212.96-306,646.32-126,750.56

Finding the Fourth Proportional to 222,212.96, 306,646.32 and 126,750.56

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Solution

The fourth proportional to 222,212.96, 306,646.32 and 126,750.56 is: 174,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,212.96 : 306,646.32 = 126,750.56 : x
  2. Step 2: Convert to fraction form
    222,212.96/306,646.32 = 126,750.56/x
  3. Step 3: Cross multiply
    222,212.96x = 306,646.32 × 126,750.56
  4. Step 4: Simplify right side
    222,212.96x = 38,867,592,781.94
  5. Step 5: Solve for x
    x = 38,867,592,781.94/222,212.96
  6. Step 6: Final answer
    x = 174,911.46

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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.