Home / 149,122.88-223,615.20-55,603.52

Finding the Fourth Proportional to 149,122.88, 223,615.20 and 55,603.52

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Solution

The fourth proportional to 149,122.88, 223,615.20 and 55,603.52 is: 83,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,122.88 : 223,615.20 = 55,603.52 : x
  2. Step 2: Convert to fraction form
    149,122.88/223,615.20 = 55,603.52/x
  3. Step 3: Cross multiply
    149,122.88x = 223,615.20 × 55,603.52
  4. Step 4: Simplify right side
    149,122.88x = 12,433,792,245.50
  5. Step 5: Solve for x
    x = 12,433,792,245.50/149,122.88
  6. Step 6: Final answer
    x = 83,379.51

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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.