Home / 141,147.85-194,784.23-76,617.05

Finding the Fourth Proportional to 141,147.85, 194,784.23 and 76,617.05

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Solution

The fourth proportional to 141,147.85, 194,784.23 and 76,617.05 is: 105,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,147.85 : 194,784.23 = 76,617.05 : x
  2. Step 2: Convert to fraction form
    141,147.85/194,784.23 = 76,617.05/x
  3. Step 3: Cross multiply
    141,147.85x = 194,784.23 × 76,617.05
  4. Step 4: Simplify right side
    141,147.85x = 14,923,793,089.12
  5. Step 5: Solve for x
    x = 14,923,793,089.12/141,147.85
  6. Step 6: Final answer
    x = 105,731.64

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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.