Home / 126,158.94-189,268.84-47,273.86

Finding the Fourth Proportional to 126,158.94, 189,268.84 and 47,273.86

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Solution

The fourth proportional to 126,158.94, 189,268.84 and 47,273.86 is: 70,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,158.94 : 189,268.84 = 47,273.86 : x
  2. Step 2: Convert to fraction form
    126,158.94/189,268.84 = 47,273.86/x
  3. Step 3: Cross multiply
    126,158.94x = 189,268.84 × 47,273.86
  4. Step 4: Simplify right side
    126,158.94x = 8,947,468,644.52
  5. Step 5: Solve for x
    x = 8,947,468,644.52/126,158.94
  6. Step 6: Final answer
    x = 70,922.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.