Home / 179,788.47-269,732.39-78,595.35

Finding the Fourth Proportional to 179,788.47, 269,732.39 and 78,595.35

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Solution

The fourth proportional to 179,788.47, 269,732.39 and 78,595.35 is: 117,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,788.47 : 269,732.39 = 78,595.35 : x
  2. Step 2: Convert to fraction form
    179,788.47/269,732.39 = 78,595.35/x
  3. Step 3: Cross multiply
    179,788.47x = 269,732.39 × 78,595.35
  4. Step 4: Simplify right side
    179,788.47x = 21,199,711,205.41
  5. Step 5: Solve for x
    x = 21,199,711,205.41/179,788.47
  6. Step 6: Final answer
    x = 117,914.74

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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.