Home / 141,149.88-194,787.01-76,619.08

Finding the Fourth Proportional to 141,149.88, 194,787.01 and 76,619.08

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Solution

The fourth proportional to 141,149.88, 194,787.01 and 76,619.08 is: 105,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,149.88 : 194,787.01 = 76,619.08 : x
  2. Step 2: Convert to fraction form
    141,149.88/194,787.01 = 76,619.08/x
  3. Step 3: Cross multiply
    141,149.88x = 194,787.01 × 76,619.08
  4. Step 4: Simplify right side
    141,149.88x = 14,924,401,502.15
  5. Step 5: Solve for x
    x = 14,924,401,502.15/141,149.88
  6. Step 6: Final answer
    x = 105,734.43

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1.5x scale

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.