Home / 179,639.60-269,109.36-109,344.56

Finding the Fourth Proportional to 179,639.60, 269,109.36 and 109,344.56

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Solution

The fourth proportional to 179,639.60, 269,109.36 and 109,344.56 is: 163,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,639.60 : 269,109.36 = 109,344.56 : x
  2. Step 2: Convert to fraction form
    179,639.60/269,109.36 = 109,344.56/x
  3. Step 3: Cross multiply
    179,639.60x = 269,109.36 × 109,344.56
  4. Step 4: Simplify right side
    179,639.60x = 29,425,644,561.08
  5. Step 5: Solve for x
    x = 29,425,644,561.08/179,639.60
  6. Step 6: Final answer
    x = 163,803.77

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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.