Home / 179,910.80-269,898.60-74,740.40

Finding the Fourth Proportional to 179,910.80, 269,898.60 and 74,740.40

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Solution

The fourth proportional to 179,910.80, 269,898.60 and 74,740.40 is: 112,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,910.80 : 269,898.60 = 74,740.40 : x
  2. Step 2: Convert to fraction form
    179,910.80/269,898.60 = 74,740.40/x
  3. Step 3: Cross multiply
    179,910.80x = 269,898.60 × 74,740.40
  4. Step 4: Simplify right side
    179,910.80x = 20,172,329,323.44
  5. Step 5: Solve for x
    x = 20,172,329,323.44/179,910.80
  6. Step 6: Final answer
    x = 112,124.06

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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.