Home / 181,985.25-251,110.10-105,489.42

Finding the Fourth Proportional to 181,985.25, 251,110.10 and 105,489.42

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Solution

The fourth proportional to 181,985.25, 251,110.10 and 105,489.42 is: 145,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,985.25 : 251,110.10 = 105,489.42 : x
  2. Step 2: Convert to fraction form
    181,985.25/251,110.10 = 105,489.42/x
  3. Step 3: Cross multiply
    181,985.25x = 251,110.10 × 105,489.42
  4. Step 4: Simplify right side
    181,985.25x = 26,489,458,277.69
  5. Step 5: Solve for x
    x = 26,489,458,277.69/181,985.25
  6. Step 6: Final answer
    x = 145,558.27

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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.