Home / 222,100.70-306,498.03-120,126.26

Finding the Fourth Proportional to 222,100.70, 306,498.03 and 120,126.26

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Solution

The fourth proportional to 222,100.70, 306,498.03 and 120,126.26 is: 165,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,100.70 : 306,498.03 = 120,126.26 : x
  2. Step 2: Convert to fraction form
    222,100.70/306,498.03 = 120,126.26/x
  3. Step 3: Cross multiply
    222,100.70x = 306,498.03 × 120,126.26
  4. Step 4: Simplify right side
    222,100.70x = 36,818,462,041.27
  5. Step 5: Solve for x
    x = 36,818,462,041.27/222,100.70
  6. Step 6: Final answer
    x = 165,773.73

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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.