Home / 181,965.89-251,120.65-101,393.48

Finding the Fourth Proportional to 181,965.89, 251,120.65 and 101,393.48

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Solution

The fourth proportional to 181,965.89, 251,120.65 and 101,393.48 is: 139,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,965.89 : 251,120.65 = 101,393.48 : x
  2. Step 2: Convert to fraction form
    181,965.89/251,120.65 = 101,393.48/x
  3. Step 3: Cross multiply
    181,965.89x = 251,120.65 × 101,393.48
  4. Step 4: Simplify right side
    181,965.89x = 25,461,996,603.36
  5. Step 5: Solve for x
    x = 25,461,996,603.36/181,965.89
  6. Step 6: Final answer
    x = 139,927.31

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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.