Home / 141,116.40-211,708.71-81,183.24

Finding the Fourth Proportional to 141,116.40, 211,708.71 and 81,183.24

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Solution

The fourth proportional to 141,116.40, 211,708.71 and 81,183.24 is: 121,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,116.40 : 211,708.71 = 81,183.24 : x
  2. Step 2: Convert to fraction form
    141,116.40/211,708.71 = 81,183.24/x
  3. Step 3: Cross multiply
    141,116.40x = 211,708.71 × 81,183.24
  4. Step 4: Simplify right side
    141,116.40x = 17,187,199,014.02
  5. Step 5: Solve for x
    x = 17,187,199,014.02/141,116.40
  6. Step 6: Final answer
    x = 121,794.48

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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.