Home / 181,985.44-251,006.24-120,620.66

Finding the Fourth Proportional to 181,985.44, 251,006.24 and 120,620.66

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Solution

The fourth proportional to 181,985.44, 251,006.24 and 120,620.66 is: 166,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,985.44 : 251,006.24 = 120,620.66 : x
  2. Step 2: Convert to fraction form
    181,985.44/251,006.24 = 120,620.66/x
  3. Step 3: Cross multiply
    181,985.44x = 251,006.24 × 120,620.66
  4. Step 4: Simplify right side
    181,985.44x = 30,276,538,332.92
  5. Step 5: Solve for x
    x = 30,276,538,332.92/181,985.44
  6. Step 6: Final answer
    x = 166,367.92

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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.