Home / 141,067.79-194,673.53-80,639.74

Finding the Fourth Proportional to 141,067.79, 194,673.53 and 80,639.74

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Solution

The fourth proportional to 141,067.79, 194,673.53 and 80,639.74 is: 111,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,067.79 : 194,673.53 = 80,639.74 : x
  2. Step 2: Convert to fraction form
    141,067.79/194,673.53 = 80,639.74/x
  3. Step 3: Cross multiply
    141,067.79x = 194,673.53 × 80,639.74
  4. Step 4: Simplify right side
    141,067.79x = 15,698,421,740.39
  5. Step 5: Solve for x
    x = 15,698,421,740.39/141,067.79
  6. Step 6: Final answer
    x = 111,282.82

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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.