Home / 141,340.07-195,063.01-80,919.34

Finding the Fourth Proportional to 141,340.07, 195,063.01 and 80,919.34

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Solution

The fourth proportional to 141,340.07, 195,063.01 and 80,919.34 is: 111,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,340.07 : 195,063.01 = 80,919.34 : x
  2. Step 2: Convert to fraction form
    141,340.07/195,063.01 = 80,919.34/x
  3. Step 3: Cross multiply
    141,340.07x = 195,063.01 × 80,919.34
  4. Step 4: Simplify right side
    141,340.07x = 15,784,369,337.66
  5. Step 5: Solve for x
    x = 15,784,369,337.66/141,340.07
  6. Step 6: Final answer
    x = 111,676.53

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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.