Home / 187,400.44-281,100.66-54,280.74

Finding the Fourth Proportional to 187,400.44, 281,100.66 and 54,280.74

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Solution

The fourth proportional to 187,400.44, 281,100.66 and 54,280.74 is: 81,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,400.44 : 281,100.66 = 54,280.74 : x
  2. Step 2: Convert to fraction form
    187,400.44/281,100.66 = 54,280.74/x
  3. Step 3: Cross multiply
    187,400.44x = 281,100.66 × 54,280.74
  4. Step 4: Simplify right side
    187,400.44x = 15,258,352,558.32
  5. Step 5: Solve for x
    x = 15,258,352,558.32/187,400.44
  6. Step 6: Final answer
    x = 81,421.11

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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.