Home / 189,253.62-261,158.07-108,624.42

Finding the Fourth Proportional to 189,253.62, 261,158.07 and 108,624.42

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Solution

The fourth proportional to 189,253.62, 261,158.07 and 108,624.42 is: 149,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,253.62 : 261,158.07 = 108,624.42 : x
  2. Step 2: Convert to fraction form
    189,253.62/261,158.07 = 108,624.42/x
  3. Step 3: Cross multiply
    189,253.62x = 261,158.07 × 108,624.42
  4. Step 4: Simplify right side
    189,253.62x = 28,368,143,882.07
  5. Step 5: Solve for x
    x = 28,368,143,882.07/189,253.62
  6. Step 6: Final answer
    x = 149,894.85

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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.