Home / 187,838.28-259,243.40-116,241.37

Finding the Fourth Proportional to 187,838.28, 259,243.40 and 116,241.37

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Solution

The fourth proportional to 187,838.28, 259,243.40 and 116,241.37 is: 160,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,838.28 : 259,243.40 = 116,241.37 : x
  2. Step 2: Convert to fraction form
    187,838.28/259,243.40 = 116,241.37/x
  3. Step 3: Cross multiply
    187,838.28x = 259,243.40 × 116,241.37
  4. Step 4: Simplify right side
    187,838.28x = 30,134,807,979.46
  5. Step 5: Solve for x
    x = 30,134,807,979.46/187,838.28
  6. Step 6: Final answer
    x = 160,429.54

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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.