Home / 250,907.23-376,281.56-82,399.79

Finding the Fourth Proportional to 250,907.23, 376,281.56 and 82,399.79

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Solution

The fourth proportional to 250,907.23, 376,281.56 and 82,399.79 is: 123,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,907.23 : 376,281.56 = 82,399.79 : x
  2. Step 2: Convert to fraction form
    250,907.23/376,281.56 = 82,399.79/x
  3. Step 3: Cross multiply
    250,907.23x = 376,281.56 × 82,399.79
  4. Step 4: Simplify right side
    250,907.23x = 31,005,521,260.52
  5. Step 5: Solve for x
    x = 31,005,521,260.52/250,907.23
  6. Step 6: Final answer
    x = 123,573.65

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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.