Home / 141,140.20-211,883.10-140,103.40

Finding the Fourth Proportional to 141,140.20, 211,883.10 and 140,103.40

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Solution

The fourth proportional to 141,140.20, 211,883.10 and 140,103.40 is: 210,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,140.20 : 211,883.10 = 140,103.40 : x
  2. Step 2: Convert to fraction form
    141,140.20/211,883.10 = 140,103.40/x
  3. Step 3: Cross multiply
    141,140.20x = 211,883.10 × 140,103.40
  4. Step 4: Simplify right side
    141,140.20x = 29,685,542,712.54
  5. Step 5: Solve for x
    x = 29,685,542,712.54/141,140.20
  6. Step 6: Final answer
    x = 210,326.63

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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.