Home / 187,844.78-281,877.74-69,598.56

Finding the Fourth Proportional to 187,844.78, 281,877.74 and 69,598.56

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Solution

The fourth proportional to 187,844.78, 281,877.74 and 69,598.56 is: 104,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,844.78 : 281,877.74 = 69,598.56 : x
  2. Step 2: Convert to fraction form
    187,844.78/281,877.74 = 69,598.56/x
  3. Step 3: Cross multiply
    187,844.78x = 281,877.74 × 69,598.56
  4. Step 4: Simplify right side
    187,844.78x = 19,618,284,800.05
  5. Step 5: Solve for x
    x = 19,618,284,800.05/187,844.78
  6. Step 6: Final answer
    x = 104,438.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.