Home / 222,270.11-306,733.14-120,295.70

Finding the Fourth Proportional to 222,270.11, 306,733.14 and 120,295.70

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Solution

The fourth proportional to 222,270.11, 306,733.14 and 120,295.70 is: 166,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,270.11 : 306,733.14 = 120,295.70 : x
  2. Step 2: Convert to fraction form
    222,270.11/306,733.14 = 120,295.70/x
  3. Step 3: Cross multiply
    222,270.11x = 306,733.14 × 120,295.70
  4. Step 4: Simplify right side
    222,270.11x = 36,898,676,255.83
  5. Step 5: Solve for x
    x = 36,898,676,255.83/222,270.11
  6. Step 6: Final answer
    x = 166,008.27

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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.