Home / 141,119.68-194,742.38-79,864.74

Finding the Fourth Proportional to 141,119.68, 194,742.38 and 79,864.74

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Solution

The fourth proportional to 141,119.68, 194,742.38 and 79,864.74 is: 110,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,119.68 : 194,742.38 = 79,864.74 : x
  2. Step 2: Convert to fraction form
    141,119.68/194,742.38 = 79,864.74/x
  3. Step 3: Cross multiply
    141,119.68x = 194,742.38 × 79,864.74
  4. Step 4: Simplify right side
    141,119.68x = 15,553,049,545.68
  5. Step 5: Solve for x
    x = 15,553,049,545.68/141,119.68
  6. Step 6: Final answer
    x = 110,211.77

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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.