Home / 140,713.20-211,021.20-40,846.32

Finding the Fourth Proportional to 140,713.20, 211,021.20 and 40,846.32

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Solution

The fourth proportional to 140,713.20, 211,021.20 and 40,846.32 is: 61,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,713.20 : 211,021.20 = 40,846.32 : x
  2. Step 2: Convert to fraction form
    140,713.20/211,021.20 = 40,846.32/x
  3. Step 3: Cross multiply
    140,713.20x = 211,021.20 × 40,846.32
  4. Step 4: Simplify right side
    140,713.20x = 8,619,439,461.98
  5. Step 5: Solve for x
    x = 8,619,439,461.98/140,713.20
  6. Step 6: Final answer
    x = 61,255.37

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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.