Home / 189,214.30-261,105.82-117,592.75

Finding the Fourth Proportional to 189,214.30, 261,105.82 and 117,592.75

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Solution

The fourth proportional to 189,214.30, 261,105.82 and 117,592.75 is: 162,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,214.30 : 261,105.82 = 117,592.75 : x
  2. Step 2: Convert to fraction form
    189,214.30/261,105.82 = 117,592.75/x
  3. Step 3: Cross multiply
    189,214.30x = 261,105.82 × 117,592.75
  4. Step 4: Simplify right side
    189,214.30x = 30,704,151,414.81
  5. Step 5: Solve for x
    x = 30,704,151,414.81/189,214.30
  6. Step 6: Final answer
    x = 162,271.83

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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.