Home / 189,924.45-262,066.59-109,336.38

Finding the Fourth Proportional to 189,924.45, 262,066.59 and 109,336.38

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Solution

The fourth proportional to 189,924.45, 262,066.59 and 109,336.38 is: 150,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,924.45 : 262,066.59 = 109,336.38 : x
  2. Step 2: Convert to fraction form
    189,924.45/262,066.59 = 109,336.38/x
  3. Step 3: Cross multiply
    189,924.45x = 262,066.59 × 109,336.38
  4. Step 4: Simplify right side
    189,924.45x = 28,653,412,269.54
  5. Step 5: Solve for x
    x = 28,653,412,269.54/189,924.45
  6. Step 6: Final answer
    x = 150,867.42

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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.