Home / 141,135.30-194,766.92-76,604.56

Finding the Fourth Proportional to 141,135.30, 194,766.92 and 76,604.56

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Solution

The fourth proportional to 141,135.30, 194,766.92 and 76,604.56 is: 105,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,135.30 : 194,766.92 = 76,604.56 : x
  2. Step 2: Convert to fraction form
    141,135.30/194,766.92 = 76,604.56/x
  3. Step 3: Cross multiply
    141,135.30x = 194,766.92 × 76,604.56
  4. Step 4: Simplify right side
    141,135.30x = 14,920,034,209.16
  5. Step 5: Solve for x
    x = 14,920,034,209.16/141,135.30
  6. Step 6: Final answer
    x = 105,714.40

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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.