Home / 140,949.09-211,419.54-52,200.63

Finding the Fourth Proportional to 140,949.09, 211,419.54 and 52,200.63

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Solution

The fourth proportional to 140,949.09, 211,419.54 and 52,200.63 is: 78,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,949.09 : 211,419.54 = 52,200.63 : x
  2. Step 2: Convert to fraction form
    140,949.09/211,419.54 = 52,200.63/x
  3. Step 3: Cross multiply
    140,949.09x = 211,419.54 × 52,200.63
  4. Step 4: Simplify right side
    140,949.09x = 11,036,233,182.31
  5. Step 5: Solve for x
    x = 11,036,233,182.31/140,949.09
  6. Step 6: Final answer
    x = 78,299.43

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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.