Home / 220,900.23-331,174.71-96,153.75

Finding the Fourth Proportional to 220,900.23, 331,174.71 and 96,153.75

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Solution

The fourth proportional to 220,900.23, 331,174.71 and 96,153.75 is: 144,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,900.23 : 331,174.71 = 96,153.75 : x
  2. Step 2: Convert to fraction form
    220,900.23/331,174.71 = 96,153.75/x
  3. Step 3: Cross multiply
    220,900.23x = 331,174.71 × 96,153.75
  4. Step 4: Simplify right side
    220,900.23x = 31,843,690,271.66
  5. Step 5: Solve for x
    x = 31,843,690,271.66/220,900.23
  6. Step 6: Final answer
    x = 144,154.17

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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.