Home / 141,033.18-194,630.86-77,372.85

Finding the Fourth Proportional to 141,033.18, 194,630.86 and 77,372.85

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Solution

The fourth proportional to 141,033.18, 194,630.86 and 77,372.85 is: 106,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,033.18 : 194,630.86 = 77,372.85 : x
  2. Step 2: Convert to fraction form
    141,033.18/194,630.86 = 77,372.85/x
  3. Step 3: Cross multiply
    141,033.18x = 194,630.86 × 77,372.85
  4. Step 4: Simplify right side
    141,033.18x = 15,059,144,336.15
  5. Step 5: Solve for x
    x = 15,059,144,336.15/141,033.18
  6. Step 6: Final answer
    x = 106,777.32

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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.