Home / 187,364.10-281,049.80-68,974.50

Finding the Fourth Proportional to 187,364.10, 281,049.80 and 68,974.50

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Solution

The fourth proportional to 187,364.10, 281,049.80 and 68,974.50 is: 103,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,364.10 : 281,049.80 = 68,974.50 : x
  2. Step 2: Convert to fraction form
    187,364.10/281,049.80 = 68,974.50/x
  3. Step 3: Cross multiply
    187,364.10x = 281,049.80 × 68,974.50
  4. Step 4: Simplify right side
    187,364.10x = 19,385,270,132.72
  5. Step 5: Solve for x
    x = 19,385,270,132.72/187,364.10
  6. Step 6: Final answer
    x = 103,463.10

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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.