Home / 289,932.41-400,281.68-189,505.37

Finding the Fourth Proportional to 289,932.41, 400,281.68 and 189,505.37

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Solution

The fourth proportional to 289,932.41, 400,281.68 and 189,505.37 is: 261,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,932.41 : 400,281.68 = 189,505.37 : x
  2. Step 2: Convert to fraction form
    289,932.41/400,281.68 = 189,505.37/x
  3. Step 3: Cross multiply
    289,932.41x = 400,281.68 × 189,505.37
  4. Step 4: Simplify right side
    289,932.41x = 75,855,525,871.21
  5. Step 5: Solve for x
    x = 75,855,525,871.21/289,932.41
  6. Step 6: Final answer
    x = 261,631.76

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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.