Home / 181,996.07-251,136.86-101,416.05

Finding the Fourth Proportional to 181,996.07, 251,136.86 and 101,416.05

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Solution

The fourth proportional to 181,996.07, 251,136.86 and 101,416.05 is: 139,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,996.07 : 251,136.86 = 101,416.05 : x
  2. Step 2: Convert to fraction form
    181,996.07/251,136.86 = 101,416.05/x
  3. Step 3: Cross multiply
    181,996.07x = 251,136.86 × 101,416.05
  4. Step 4: Simplify right side
    181,996.07x = 25,469,307,843.52
  5. Step 5: Solve for x
    x = 25,469,307,843.52/181,996.07
  6. Step 6: Final answer
    x = 139,944.28

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1.5x scale

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.