Home / 140,729.99-211,116.85-47,257.61

Finding the Fourth Proportional to 140,729.99, 211,116.85 and 47,257.61

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Solution

The fourth proportional to 140,729.99, 211,116.85 and 47,257.61 is: 70,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,729.99 : 211,116.85 = 47,257.61 : x
  2. Step 2: Convert to fraction form
    140,729.99/211,116.85 = 47,257.61/x
  3. Step 3: Cross multiply
    140,729.99x = 211,116.85 × 47,257.61
  4. Step 4: Simplify right side
    140,729.99x = 9,976,877,601.21
  5. Step 5: Solve for x
    x = 9,976,877,601.21/140,729.99
  6. Step 6: Final answer
    x = 70,893.76

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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.