Home / 189,426.52-261,442.47-112,950.54

Finding the Fourth Proportional to 189,426.52, 261,442.47 and 112,950.54

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Solution

The fourth proportional to 189,426.52, 261,442.47 and 112,950.54 is: 155,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,426.52 : 261,442.47 = 112,950.54 : x
  2. Step 2: Convert to fraction form
    189,426.52/261,442.47 = 112,950.54/x
  3. Step 3: Cross multiply
    189,426.52x = 261,442.47 × 112,950.54
  4. Step 4: Simplify right side
    189,426.52x = 29,530,067,600.68
  5. Step 5: Solve for x
    x = 29,530,067,600.68/189,426.52
  6. Step 6: Final answer
    x = 155,891.94

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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.