Home / 222,198.50-306,632.62-126,703.15

Finding the Fourth Proportional to 222,198.50, 306,632.62 and 126,703.15

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Solution

The fourth proportional to 222,198.50, 306,632.62 and 126,703.15 is: 174,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,198.50 : 306,632.62 = 126,703.15 : x
  2. Step 2: Convert to fraction form
    222,198.50/306,632.62 = 126,703.15/x
  3. Step 3: Cross multiply
    222,198.50x = 306,632.62 × 126,703.15
  4. Step 4: Simplify right side
    222,198.50x = 38,851,318,238.55
  5. Step 5: Solve for x
    x = 38,851,318,238.55/222,198.50
  6. Step 6: Final answer
    x = 174,849.60

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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.