Home / 175,647.30-263,484.29-68,979.80

Finding the Fourth Proportional to 175,647.30, 263,484.29 and 68,979.80

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Solution

The fourth proportional to 175,647.30, 263,484.29 and 68,979.80 is: 103,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,647.30 : 263,484.29 = 68,979.80 : x
  2. Step 2: Convert to fraction form
    175,647.30/263,484.29 = 68,979.80/x
  3. Step 3: Cross multiply
    175,647.30x = 263,484.29 × 68,979.80
  4. Step 4: Simplify right side
    175,647.30x = 18,175,093,627.34
  5. Step 5: Solve for x
    x = 18,175,093,627.34/175,647.30
  6. Step 6: Final answer
    x = 103,474.94

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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.