Home / 222,234.72-306,681.56-120,257.94

Finding the Fourth Proportional to 222,234.72, 306,681.56 and 120,257.94

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Solution

The fourth proportional to 222,234.72, 306,681.56 and 120,257.94 is: 165,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,234.72 : 306,681.56 = 120,257.94 : x
  2. Step 2: Convert to fraction form
    222,234.72/306,681.56 = 120,257.94/x
  3. Step 3: Cross multiply
    222,234.72x = 306,681.56 × 120,257.94
  4. Step 4: Simplify right side
    222,234.72x = 36,880,892,641.59
  5. Step 5: Solve for x
    x = 36,880,892,641.59/222,234.72
  6. Step 6: Final answer
    x = 165,954.68

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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.