Home / 203,061.13-304,601.78-53,301.85

Finding the Fourth Proportional to 203,061.13, 304,601.78 and 53,301.85

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Solution

The fourth proportional to 203,061.13, 304,601.78 and 53,301.85 is: 79,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,061.13 : 304,601.78 = 53,301.85 : x
  2. Step 2: Convert to fraction form
    203,061.13/304,601.78 = 53,301.85/x
  3. Step 3: Cross multiply
    203,061.13x = 304,601.78 × 53,301.85
  4. Step 4: Simplify right side
    203,061.13x = 16,235,838,120.78
  5. Step 5: Solve for x
    x = 16,235,838,120.78/203,061.13
  6. Step 6: Final answer
    x = 79,955.42

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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.