Home / 189,944.16-262,135.98-109,392.90

Finding the Fourth Proportional to 189,944.16, 262,135.98 and 109,392.90

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Solution

The fourth proportional to 189,944.16, 262,135.98 and 109,392.90 is: 150,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,944.16 : 262,135.98 = 109,392.90 : x
  2. Step 2: Convert to fraction form
    189,944.16/262,135.98 = 109,392.90/x
  3. Step 3: Cross multiply
    189,944.16x = 262,135.98 × 109,392.90
  4. Step 4: Simplify right side
    189,944.16x = 28,675,815,046.54
  5. Step 5: Solve for x
    x = 28,675,815,046.54/189,944.16
  6. Step 6: Final answer
    x = 150,969.71

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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.