Home / 141,167.57-194,812.79-76,637.39

Finding the Fourth Proportional to 141,167.57, 194,812.79 and 76,637.39

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Solution

The fourth proportional to 141,167.57, 194,812.79 and 76,637.39 is: 105,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,167.57 : 194,812.79 = 76,637.39 : x
  2. Step 2: Convert to fraction form
    141,167.57/194,812.79 = 76,637.39/x
  3. Step 3: Cross multiply
    141,167.57x = 194,812.79 × 76,637.39
  4. Step 4: Simplify right side
    141,167.57x = 14,929,942,406.97
  5. Step 5: Solve for x
    x = 14,929,942,406.97/141,167.57
  6. Step 6: Final answer
    x = 105,760.43

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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.