Home / 203,082.98-304,623.51-51,280.38

Finding the Fourth Proportional to 203,082.98, 304,623.51 and 51,280.38

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Solution

The fourth proportional to 203,082.98, 304,623.51 and 51,280.38 is: 76,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,082.98 : 304,623.51 = 51,280.38 : x
  2. Step 2: Convert to fraction form
    203,082.98/304,623.51 = 51,280.38/x
  3. Step 3: Cross multiply
    203,082.98x = 304,623.51 × 51,280.38
  4. Step 4: Simplify right side
    203,082.98x = 15,621,209,349.73
  5. Step 5: Solve for x
    x = 15,621,209,349.73/203,082.98
  6. Step 6: Final answer
    x = 76,920.33

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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.