Home / 203,247.40-304,761.12-161,396.72

Finding the Fourth Proportional to 203,247.40, 304,761.12 and 161,396.72

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Solution

The fourth proportional to 203,247.40, 304,761.12 and 161,396.72 is: 242,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,247.40 : 304,761.12 = 161,396.72 : x
  2. Step 2: Convert to fraction form
    203,247.40/304,761.12 = 161,396.72/x
  3. Step 3: Cross multiply
    203,247.40x = 304,761.12 × 161,396.72
  4. Step 4: Simplify right side
    203,247.40x = 49,187,445,151.53
  5. Step 5: Solve for x
    x = 49,187,445,151.53/203,247.40
  6. Step 6: Final answer
    x = 242,007.75

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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.