Home / 187,635.75-281,470.93-61,276.66

Finding the Fourth Proportional to 187,635.75, 281,470.93 and 61,276.66

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Solution

The fourth proportional to 187,635.75, 281,470.93 and 61,276.66 is: 91,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,635.75 : 281,470.93 = 61,276.66 : x
  2. Step 2: Convert to fraction form
    187,635.75/281,470.93 = 61,276.66/x
  3. Step 3: Cross multiply
    187,635.75x = 281,470.93 × 61,276.66
  4. Step 4: Simplify right side
    187,635.75x = 17,247,598,477.49
  5. Step 5: Solve for x
    x = 17,247,598,477.49/187,635.75
  6. Step 6: Final answer
    x = 91,920.64

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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.