Home / 222,342.22-306,829.78-120,365.25

Finding the Fourth Proportional to 222,342.22, 306,829.78 and 120,365.25

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Solution

The fourth proportional to 222,342.22, 306,829.78 and 120,365.25 is: 166,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,342.22 : 306,829.78 = 120,365.25 : x
  2. Step 2: Convert to fraction form
    222,342.22/306,829.78 = 120,365.25/x
  3. Step 3: Cross multiply
    222,342.22x = 306,829.78 × 120,365.25
  4. Step 4: Simplify right side
    222,342.22x = 36,931,643,177.15
  5. Step 5: Solve for x
    x = 36,931,643,177.15/222,342.22
  6. Step 6: Final answer
    x = 166,102.70

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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.