Home / 222,612.44-307,236.66-137,756.84

Finding the Fourth Proportional to 222,612.44, 307,236.66 and 137,756.84

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Solution

The fourth proportional to 222,612.44, 307,236.66 and 137,756.84 is: 190,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,612.44 : 307,236.66 = 137,756.84 : x
  2. Step 2: Convert to fraction form
    222,612.44/307,236.66 = 137,756.84/x
  3. Step 3: Cross multiply
    222,612.44x = 307,236.66 × 137,756.84
  4. Step 4: Simplify right side
    222,612.44x = 42,323,951,413.75
  5. Step 5: Solve for x
    x = 42,323,951,413.75/222,612.44
  6. Step 6: Final answer
    x = 190,123.93

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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.