Home / 134,736.89-185,930.61-77,336.35

Finding the Fourth Proportional to 134,736.89, 185,930.61 and 77,336.35

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Solution

The fourth proportional to 134,736.89, 185,930.61 and 77,336.35 is: 106,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,736.89 : 185,930.61 = 77,336.35 : x
  2. Step 2: Convert to fraction form
    134,736.89/185,930.61 = 77,336.35/x
  3. Step 3: Cross multiply
    134,736.89x = 185,930.61 × 77,336.35
  4. Step 4: Simplify right side
    134,736.89x = 14,379,194,265.85
  5. Step 5: Solve for x
    x = 14,379,194,265.85/134,736.89
  6. Step 6: Final answer
    x = 106,720.54

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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.