Home / 187,409.50-281,153.13-76,601.50

Finding the Fourth Proportional to 187,409.50, 281,153.13 and 76,601.50

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Solution

The fourth proportional to 187,409.50, 281,153.13 and 76,601.50 is: 114,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,409.50 : 281,153.13 = 76,601.50 : x
  2. Step 2: Convert to fraction form
    187,409.50/281,153.13 = 76,601.50/x
  3. Step 3: Cross multiply
    187,409.50x = 281,153.13 × 76,601.50
  4. Step 4: Simplify right side
    187,409.50x = 21,536,751,487.70
  5. Step 5: Solve for x
    x = 21,536,751,487.70/187,409.50
  6. Step 6: Final answer
    x = 114,918.14

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1.5x scale

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.