Home / 140,904.20-211,364.40-41,079.80

Finding the Fourth Proportional to 140,904.20, 211,364.40 and 41,079.80

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Solution

The fourth proportional to 140,904.20, 211,364.40 and 41,079.80 is: 61,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,904.20 : 211,364.40 = 41,079.80 : x
  2. Step 2: Convert to fraction form
    140,904.20/211,364.40 = 41,079.80/x
  3. Step 3: Cross multiply
    140,904.20x = 211,364.40 × 41,079.80
  4. Step 4: Simplify right side
    140,904.20x = 8,682,807,279.12
  5. Step 5: Solve for x
    x = 8,682,807,279.12/140,904.20
  6. Step 6: Final answer
    x = 61,622.06

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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.