Home / 187,562.78-281,373.38-61,173.59

Finding the Fourth Proportional to 187,562.78, 281,373.38 and 61,173.59

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Solution

The fourth proportional to 187,562.78, 281,373.38 and 61,173.59 is: 91,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,562.78 : 281,373.38 = 61,173.59 : x
  2. Step 2: Convert to fraction form
    187,562.78/281,373.38 = 61,173.59/x
  3. Step 3: Cross multiply
    187,562.78x = 281,373.38 × 61,173.59
  4. Step 4: Simplify right side
    187,562.78x = 17,212,619,785.03
  5. Step 5: Solve for x
    x = 17,212,619,785.03/187,562.78
  6. Step 6: Final answer
    x = 91,769.91

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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.