Home / 134,201.50-185,198.07-77,616.52

Finding the Fourth Proportional to 134,201.50, 185,198.07 and 77,616.52

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Solution

The fourth proportional to 134,201.50, 185,198.07 and 77,616.52 is: 107,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,201.50 : 185,198.07 = 77,616.52 : x
  2. Step 2: Convert to fraction form
    134,201.50/185,198.07 = 77,616.52/x
  3. Step 3: Cross multiply
    134,201.50x = 185,198.07 × 77,616.52
  4. Step 4: Simplify right side
    134,201.50x = 14,374,429,704.12
  5. Step 5: Solve for x
    x = 14,374,429,704.12/134,201.50
  6. Step 6: Final answer
    x = 107,110.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.