Home / 187,390.46-281,105.37-61,040.55

Finding the Fourth Proportional to 187,390.46, 281,105.37 and 61,040.55

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Solution

The fourth proportional to 187,390.46, 281,105.37 and 61,040.55 is: 91,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,390.46 : 281,105.37 = 61,040.55 : x
  2. Step 2: Convert to fraction form
    187,390.46/281,105.37 = 61,040.55/x
  3. Step 3: Cross multiply
    187,390.46x = 281,105.37 × 61,040.55
  4. Step 4: Simplify right side
    187,390.46x = 17,158,826,392.75
  5. Step 5: Solve for x
    x = 17,158,826,392.75/187,390.46
  6. Step 6: Final answer
    x = 91,567.24

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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.