Home / 189,283.94-261,211.34-108,716.70

Finding the Fourth Proportional to 189,283.94, 261,211.34 and 108,716.70

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Solution

The fourth proportional to 189,283.94, 261,211.34 and 108,716.70 is: 150,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,283.94 : 261,211.34 = 108,716.70 : x
  2. Step 2: Convert to fraction form
    189,283.94/261,211.34 = 108,716.70/x
  3. Step 3: Cross multiply
    189,283.94x = 261,211.34 × 108,716.70
  4. Step 4: Simplify right side
    189,283.94x = 28,398,034,887.38
  5. Step 5: Solve for x
    x = 28,398,034,887.38/189,283.94
  6. Step 6: Final answer
    x = 150,028.76

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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.