Home / 222,394.86-306,905.16-126,932.34

Finding the Fourth Proportional to 222,394.86, 306,905.16 and 126,932.34

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Solution

The fourth proportional to 222,394.86, 306,905.16 and 126,932.34 is: 175,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,394.86 : 306,905.16 = 126,932.34 : x
  2. Step 2: Convert to fraction form
    222,394.86/306,905.16 = 126,932.34/x
  3. Step 3: Cross multiply
    222,394.86x = 306,905.16 × 126,932.34
  4. Step 4: Simplify right side
    222,394.86x = 38,956,190,116.87
  5. Step 5: Solve for x
    x = 38,956,190,116.87/222,394.86
  6. Step 6: Final answer
    x = 175,166.77

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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.