Home / 203,020.16-304,521.24-53,257.04

Finding the Fourth Proportional to 203,020.16, 304,521.24 and 53,257.04

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Solution

The fourth proportional to 203,020.16, 304,521.24 and 53,257.04 is: 79,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,020.16 : 304,521.24 = 53,257.04 : x
  2. Step 2: Convert to fraction form
    203,020.16/304,521.24 = 53,257.04/x
  3. Step 3: Cross multiply
    203,020.16x = 304,521.24 × 53,257.04
  4. Step 4: Simplify right side
    203,020.16x = 16,217,899,859.53
  5. Step 5: Solve for x
    x = 16,217,899,859.53/203,020.16
  6. Step 6: Final answer
    x = 79,883.20

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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.