Home / 189,932.95-262,078.27-109,344.93

Finding the Fourth Proportional to 189,932.95, 262,078.27 and 109,344.93

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Solution

The fourth proportional to 189,932.95, 262,078.27 and 109,344.93 is: 150,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932.95 : 262,078.27 = 109,344.93 : x
  2. Step 2: Convert to fraction form
    189,932.95/262,078.27 = 109,344.93/x
  3. Step 3: Cross multiply
    189,932.95x = 262,078.27 × 109,344.93
  4. Step 4: Simplify right side
    189,932.95x = 28,656,930,087.67
  5. Step 5: Solve for x
    x = 28,656,930,087.67/189,932.95
  6. Step 6: Final answer
    x = 150,879.19

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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.