Home / 159,979.71-220,762.94-95,521.73

Finding the Fourth Proportional to 159,979.71, 220,762.94 and 95,521.73

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Solution

The fourth proportional to 159,979.71, 220,762.94 and 95,521.73 is: 131,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,979.71 : 220,762.94 = 95,521.73 : x
  2. Step 2: Convert to fraction form
    159,979.71/220,762.94 = 95,521.73/x
  3. Step 3: Cross multiply
    159,979.71x = 220,762.94 × 95,521.73
  4. Step 4: Simplify right side
    159,979.71x = 21,087,658,415.02
  5. Step 5: Solve for x
    x = 21,087,658,415.02/159,979.71
  6. Step 6: Final answer
    x = 131,814.58

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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.