Home / 179,726.14-269,623.77-68,909.50

Finding the Fourth Proportional to 179,726.14, 269,623.77 and 68,909.50

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Solution

The fourth proportional to 179,726.14, 269,623.77 and 68,909.50 is: 103,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,726.14 : 269,623.77 = 68,909.50 : x
  2. Step 2: Convert to fraction form
    179,726.14/269,623.77 = 68,909.50/x
  3. Step 3: Cross multiply
    179,726.14x = 269,623.77 × 68,909.50
  4. Step 4: Simplify right side
    179,726.14x = 18,579,639,178.82
  5. Step 5: Solve for x
    x = 18,579,639,178.82/179,726.14
  6. Step 6: Final answer
    x = 103,377.50

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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.