Home / 131,760.62-181,679.16-104,904.26

Finding the Fourth Proportional to 131,760.62, 181,679.16 and 104,904.26

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Solution

The fourth proportional to 131,760.62, 181,679.16 and 104,904.26 is: 144,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,760.62 : 181,679.16 = 104,904.26 : x
  2. Step 2: Convert to fraction form
    131,760.62/181,679.16 = 104,904.26/x
  3. Step 3: Cross multiply
    131,760.62x = 181,679.16 × 104,904.26
  4. Step 4: Simplify right side
    131,760.62x = 19,058,917,837.22
  5. Step 5: Solve for x
    x = 19,058,917,837.22/131,760.62
  6. Step 6: Final answer
    x = 144,648.06

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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.