Home / 181,985.20-251,136.15-101,410.96

Finding the Fourth Proportional to 181,985.20, 251,136.15 and 101,410.96

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Solution

The fourth proportional to 181,985.20, 251,136.15 and 101,410.96 is: 139,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,985.20 : 251,136.15 = 101,410.96 : x
  2. Step 2: Convert to fraction form
    181,985.20/251,136.15 = 101,410.96/x
  3. Step 3: Cross multiply
    181,985.20x = 251,136.15 × 101,410.96
  4. Step 4: Simplify right side
    181,985.20x = 25,467,958,062.20
  5. Step 5: Solve for x
    x = 25,467,958,062.20/181,985.20
  6. Step 6: Final answer
    x = 139,945.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.