Home / 222,190.96-306,611.76-121,569.52

Finding the Fourth Proportional to 222,190.96, 306,611.76 and 121,569.52

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Solution

The fourth proportional to 222,190.96, 306,611.76 and 121,569.52 is: 167,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,190.96 : 306,611.76 = 121,569.52 : x
  2. Step 2: Convert to fraction form
    222,190.96/306,611.76 = 121,569.52/x
  3. Step 3: Cross multiply
    222,190.96x = 306,611.76 × 121,569.52
  4. Step 4: Simplify right side
    222,190.96x = 37,274,644,489.56
  5. Step 5: Solve for x
    x = 37,274,644,489.56/222,190.96
  6. Step 6: Final answer
    x = 167,759.50

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1.5x scale

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.