Home / 148,342.80-204,713.27-80,359.91

Finding the Fourth Proportional to 148,342.80, 204,713.27 and 80,359.91

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Solution

The fourth proportional to 148,342.80, 204,713.27 and 80,359.91 is: 110,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,342.80 : 204,713.27 = 80,359.91 : x
  2. Step 2: Convert to fraction form
    148,342.80/204,713.27 = 80,359.91/x
  3. Step 3: Cross multiply
    148,342.80x = 204,713.27 × 80,359.91
  4. Step 4: Simplify right side
    148,342.80x = 16,450,739,953.01
  5. Step 5: Solve for x
    x = 16,450,739,953.01/148,342.80
  6. Step 6: Final answer
    x = 110,896.79

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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.