Home / 189,298.11-283,747.14-82,588.61

Finding the Fourth Proportional to 189,298.11, 283,747.14 and 82,588.61

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Solution

The fourth proportional to 189,298.11, 283,747.14 and 82,588.61 is: 123,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,298.11 : 283,747.14 = 82,588.61 : x
  2. Step 2: Convert to fraction form
    189,298.11/283,747.14 = 82,588.61/x
  3. Step 3: Cross multiply
    189,298.11x = 283,747.14 × 82,588.61
  4. Step 4: Simplify right side
    189,298.11x = 23,434,281,884.08
  5. Step 5: Solve for x
    x = 23,434,281,884.08/189,298.11
  6. Step 6: Final answer
    x = 123,795.65

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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.