Home / 102,828.24-154,146.24-36,231.12

Finding the Fourth Proportional to 102,828.24, 154,146.24 and 36,231.12

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Solution

The fourth proportional to 102,828.24, 154,146.24 and 36,231.12 is: 54,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,828.24 : 154,146.24 = 36,231.12 : x
  2. Step 2: Convert to fraction form
    102,828.24/154,146.24 = 36,231.12/x
  3. Step 3: Cross multiply
    102,828.24x = 154,146.24 × 36,231.12
  4. Step 4: Simplify right side
    102,828.24x = 5,584,890,918.99
  5. Step 5: Solve for x
    x = 5,584,890,918.99/102,828.24
  6. Step 6: Final answer
    x = 54,312.81

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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.