Home / 187,410.48-281,208.06-87,577.56

Finding the Fourth Proportional to 187,410.48, 281,208.06 and 87,577.56

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Solution

The fourth proportional to 187,410.48, 281,208.06 and 87,577.56 is: 131,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,410.48 : 281,208.06 = 87,577.56 : x
  2. Step 2: Convert to fraction form
    187,410.48/281,208.06 = 87,577.56/x
  3. Step 3: Cross multiply
    187,410.48x = 281,208.06 × 87,577.56
  4. Step 4: Simplify right side
    187,410.48x = 24,627,515,747.13
  5. Step 5: Solve for x
    x = 24,627,515,747.13/187,410.48
  6. Step 6: Final answer
    x = 131,409.49

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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.