Home / 146,535.84-219,553.02-80,022.78

Finding the Fourth Proportional to 146,535.84, 219,553.02 and 80,022.78

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Solution

The fourth proportional to 146,535.84, 219,553.02 and 80,022.78 is: 119,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,535.84 : 219,553.02 = 80,022.78 : x
  2. Step 2: Convert to fraction form
    146,535.84/219,553.02 = 80,022.78/x
  3. Step 3: Cross multiply
    146,535.84x = 219,553.02 × 80,022.78
  4. Step 4: Simplify right side
    146,535.84x = 17,569,243,017.80
  5. Step 5: Solve for x
    x = 17,569,243,017.80/146,535.84
  6. Step 6: Final answer
    x = 119,897.24

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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.