Home / 222,433.56-306,963.27-126,938.34

Finding the Fourth Proportional to 222,433.56, 306,963.27 and 126,938.34

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Solution

The fourth proportional to 222,433.56, 306,963.27 and 126,938.34 is: 175,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,433.56 : 306,963.27 = 126,938.34 : x
  2. Step 2: Convert to fraction form
    222,433.56/306,963.27 = 126,938.34/x
  3. Step 3: Cross multiply
    222,433.56x = 306,963.27 × 126,938.34
  4. Step 4: Simplify right side
    222,433.56x = 38,965,407,934.77
  5. Step 5: Solve for x
    x = 38,965,407,934.77/222,433.56
  6. Step 6: Final answer
    x = 175,177.74

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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.