Home / 181,986.72-251,072.64-110,341.68

Finding the Fourth Proportional to 181,986.72, 251,072.64 and 110,341.68

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Solution

The fourth proportional to 181,986.72, 251,072.64 and 110,341.68 is: 152,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,986.72 : 251,072.64 = 110,341.68 : x
  2. Step 2: Convert to fraction form
    181,986.72/251,072.64 = 110,341.68/x
  3. Step 3: Cross multiply
    181,986.72x = 251,072.64 × 110,341.68
  4. Step 4: Simplify right side
    181,986.72x = 27,703,776,899.64
  5. Step 5: Solve for x
    x = 27,703,776,899.64/181,986.72
  6. Step 6: Final answer
    x = 152,229.66

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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.