Home / 141,121.40-211,626.94-51,142.76

Finding the Fourth Proportional to 141,121.40, 211,626.94 and 51,142.76

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Solution

The fourth proportional to 141,121.40, 211,626.94 and 51,142.76 is: 76,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,121.40 : 211,626.94 = 51,142.76 : x
  2. Step 2: Convert to fraction form
    141,121.40/211,626.94 = 51,142.76/x
  3. Step 3: Cross multiply
    141,121.40x = 211,626.94 × 51,142.76
  4. Step 4: Simplify right side
    141,121.40x = 10,823,185,801.95
  5. Step 5: Solve for x
    x = 10,823,185,801.95/141,121.40
  6. Step 6: Final answer
    x = 76,694.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.