Home / 148,288.82-204,562.29-100,525.94

Finding the Fourth Proportional to 148,288.82, 204,562.29 and 100,525.94

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Solution

The fourth proportional to 148,288.82, 204,562.29 and 100,525.94 is: 138,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,288.82 : 204,562.29 = 100,525.94 : x
  2. Step 2: Convert to fraction form
    148,288.82/204,562.29 = 100,525.94/x
  3. Step 3: Cross multiply
    148,288.82x = 204,562.29 × 100,525.94
  4. Step 4: Simplify right side
    148,288.82x = 20,563,816,490.80
  5. Step 5: Solve for x
    x = 20,563,816,490.80/148,288.82
  6. Step 6: Final answer
    x = 138,674.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.