Home / 175,904.75-263,857.13-77,408.75

Finding the Fourth Proportional to 175,904.75, 263,857.13 and 77,408.75

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Solution

The fourth proportional to 175,904.75, 263,857.13 and 77,408.75 is: 116,113.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,904.75 : 263,857.13 = 77,408.75 : x
  2. Step 2: Convert to fraction form
    175,904.75/263,857.13 = 77,408.75/x
  3. Step 3: Cross multiply
    175,904.75x = 263,857.13 × 77,408.75
  4. Step 4: Simplify right side
    175,904.75x = 20,424,850,611.89
  5. Step 5: Solve for x
    x = 20,424,850,611.89/175,904.75
  6. Step 6: Final answer
    x = 116,113.13

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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.