Home / 140,939.96-211,456.14-52,200.08

Finding the Fourth Proportional to 140,939.96, 211,456.14 and 52,200.08

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Solution

The fourth proportional to 140,939.96, 211,456.14 and 52,200.08 is: 78,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,939.96 : 211,456.14 = 52,200.08 : x
  2. Step 2: Convert to fraction form
    140,939.96/211,456.14 = 52,200.08/x
  3. Step 3: Cross multiply
    140,939.96x = 211,456.14 × 52,200.08
  4. Step 4: Simplify right side
    140,939.96x = 11,038,027,424.49
  5. Step 5: Solve for x
    x = 11,038,027,424.49/140,939.96
  6. Step 6: Final answer
    x = 78,317.23

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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.