Home / 189,182.94-261,120.15-113,775.90

Finding the Fourth Proportional to 189,182.94, 261,120.15 and 113,775.90

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Solution

The fourth proportional to 189,182.94, 261,120.15 and 113,775.90 is: 157,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,182.94 : 261,120.15 = 113,775.90 : x
  2. Step 2: Convert to fraction form
    189,182.94/261,120.15 = 113,775.90/x
  3. Step 3: Cross multiply
    189,182.94x = 261,120.15 × 113,775.90
  4. Step 4: Simplify right side
    189,182.94x = 29,709,180,074.39
  5. Step 5: Solve for x
    x = 29,709,180,074.39/189,182.94
  6. Step 6: Final answer
    x = 157,039.42

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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.