Home / 159,081.15-219,521.84-91,098.03

Finding the Fourth Proportional to 159,081.15, 219,521.84 and 91,098.03

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Solution

The fourth proportional to 159,081.15, 219,521.84 and 91,098.03 is: 125,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,081.15 : 219,521.84 = 91,098.03 : x
  2. Step 2: Convert to fraction form
    159,081.15/219,521.84 = 91,098.03/x
  3. Step 3: Cross multiply
    159,081.15x = 219,521.84 × 91,098.03
  4. Step 4: Simplify right side
    159,081.15x = 19,998,006,710.49
  5. Step 5: Solve for x
    x = 19,998,006,710.49/159,081.15
  6. Step 6: Final answer
    x = 125,709.47

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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.