Home / 181,968.27-251,113.66-101,399.19

Finding the Fourth Proportional to 181,968.27, 251,113.66 and 101,399.19

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Solution

The fourth proportional to 181,968.27, 251,113.66 and 101,399.19 is: 139,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,968.27 : 251,113.66 = 101,399.19 : x
  2. Step 2: Convert to fraction form
    181,968.27/251,113.66 = 101,399.19/x
  3. Step 3: Cross multiply
    181,968.27x = 251,113.66 × 101,399.19
  4. Step 4: Simplify right side
    181,968.27x = 25,462,721,721.94
  5. Step 5: Solve for x
    x = 25,462,721,721.94/181,968.27
  6. Step 6: Final answer
    x = 139,929.46

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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.