Home / 140,889.14-211,235.28-52,131.13

Finding the Fourth Proportional to 140,889.14, 211,235.28 and 52,131.13

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Solution

The fourth proportional to 140,889.14, 211,235.28 and 52,131.13 is: 78,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,889.14 : 211,235.28 = 52,131.13 : x
  2. Step 2: Convert to fraction form
    140,889.14/211,235.28 = 52,131.13/x
  3. Step 3: Cross multiply
    140,889.14x = 211,235.28 × 52,131.13
  4. Step 4: Simplify right side
    140,889.14x = 11,011,933,118.69
  5. Step 5: Solve for x
    x = 11,011,933,118.69/140,889.14
  6. Step 6: Final answer
    x = 78,160.27

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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.