Home / 141,787.55-195,704.55-83,695.36

Finding the Fourth Proportional to 141,787.55, 195,704.55 and 83,695.36

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Solution

The fourth proportional to 141,787.55, 195,704.55 and 83,695.36 is: 115,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,787.55 : 195,704.55 = 83,695.36 : x
  2. Step 2: Convert to fraction form
    141,787.55/195,704.55 = 83,695.36/x
  3. Step 3: Cross multiply
    141,787.55x = 195,704.55 × 83,695.36
  4. Step 4: Simplify right side
    141,787.55x = 16,379,562,765.89
  5. Step 5: Solve for x
    x = 16,379,562,765.89/141,787.55
  6. Step 6: Final answer
    x = 115,521.87

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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.