Home / 131,971.24-182,122.59-75,383.02

Finding the Fourth Proportional to 131,971.24, 182,122.59 and 75,383.02

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Solution

The fourth proportional to 131,971.24, 182,122.59 and 75,383.02 is: 104,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,971.24 : 182,122.59 = 75,383.02 : x
  2. Step 2: Convert to fraction form
    131,971.24/182,122.59 = 75,383.02/x
  3. Step 3: Cross multiply
    131,971.24x = 182,122.59 × 75,383.02
  4. Step 4: Simplify right side
    131,971.24x = 13,728,950,844.42
  5. Step 5: Solve for x
    x = 13,728,950,844.42/131,971.24
  6. Step 6: Final answer
    x = 104,029.87

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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.