Home / 179,748.80-269,623.20-61,391.60

Finding the Fourth Proportional to 179,748.80, 269,623.20 and 61,391.60

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Solution

The fourth proportional to 179,748.80, 269,623.20 and 61,391.60 is: 92,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,748.80 : 269,623.20 = 61,391.60 : x
  2. Step 2: Convert to fraction form
    179,748.80/269,623.20 = 61,391.60/x
  3. Step 3: Cross multiply
    179,748.80x = 269,623.20 × 61,391.60
  4. Step 4: Simplify right side
    179,748.80x = 16,552,599,645.12
  5. Step 5: Solve for x
    x = 16,552,599,645.12/179,748.80
  6. Step 6: Final answer
    x = 92,087.40

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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.