Home / 181,961.86-251,104.02-101,387.65

Finding the Fourth Proportional to 181,961.86, 251,104.02 and 101,387.65

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Solution

The fourth proportional to 181,961.86, 251,104.02 and 101,387.65 is: 139,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,961.86 : 251,104.02 = 101,387.65 : x
  2. Step 2: Convert to fraction form
    181,961.86/251,104.02 = 101,387.65/x
  3. Step 3: Cross multiply
    181,961.86x = 251,104.02 × 101,387.65
  4. Step 4: Simplify right side
    181,961.86x = 25,458,846,493.35
  5. Step 5: Solve for x
    x = 25,458,846,493.35/181,961.86
  6. Step 6: Final answer
    x = 139,913.09

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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.