Home / 181,948.50-251,093.79-101,379.42

Finding the Fourth Proportional to 181,948.50, 251,093.79 and 101,379.42

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Solution

The fourth proportional to 181,948.50, 251,093.79 and 101,379.42 is: 139,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,948.50 : 251,093.79 = 101,379.42 : x
  2. Step 2: Convert to fraction form
    181,948.50/251,093.79 = 101,379.42/x
  3. Step 3: Cross multiply
    181,948.50x = 251,093.79 × 101,379.42
  4. Step 4: Simplify right side
    181,948.50x = 25,455,742,795.80
  5. Step 5: Solve for x
    x = 25,455,742,795.80/181,948.50
  6. Step 6: Final answer
    x = 139,906.31

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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.