Home / 356,532.05-534,438.20-223,505.75

Finding the Fourth Proportional to 356,532.05, 534,438.20 and 223,505.75

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Solution

The fourth proportional to 356,532.05, 534,438.20 and 223,505.75 is: 335,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,532.05 : 534,438.20 = 223,505.75 : x
  2. Step 2: Convert to fraction form
    356,532.05/534,438.20 = 223,505.75/x
  3. Step 3: Cross multiply
    356,532.05x = 534,438.20 × 223,505.75
  4. Step 4: Simplify right side
    356,532.05x = 119,450,010,719.65
  5. Step 5: Solve for x
    x = 119,450,010,719.65/356,532.05
  6. Step 6: Final answer
    x = 335,033.02

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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.