Home / 119,981.58-179,594.94-82,321.44

Finding the Fourth Proportional to 119,981.58, 179,594.94 and 82,321.44

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Solution

The fourth proportional to 119,981.58, 179,594.94 and 82,321.44 is: 123,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,981.58 : 179,594.94 = 82,321.44 : x
  2. Step 2: Convert to fraction form
    119,981.58/179,594.94 = 82,321.44/x
  3. Step 3: Cross multiply
    119,981.58x = 179,594.94 × 82,321.44
  4. Step 4: Simplify right side
    119,981.58x = 14,784,514,077.51
  5. Step 5: Solve for x
    x = 14,784,514,077.51/119,981.58
  6. Step 6: Final answer
    x = 123,223.20

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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.