Home / 187,830.81-281,738.92-75,477.33

Finding the Fourth Proportional to 187,830.81, 281,738.92 and 75,477.33

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Solution

The fourth proportional to 187,830.81, 281,738.92 and 75,477.33 is: 113,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,830.81 : 281,738.92 = 75,477.33 : x
  2. Step 2: Convert to fraction form
    187,830.81/281,738.92 = 75,477.33/x
  3. Step 3: Cross multiply
    187,830.81x = 281,738.92 × 75,477.33
  4. Step 4: Simplify right side
    187,830.81x = 21,264,899,841.30
  5. Step 5: Solve for x
    x = 21,264,899,841.30/187,830.81
  6. Step 6: Final answer
    x = 113,213.06

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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.