Home / 187,563.12-281,259.59-80,896.67

Finding the Fourth Proportional to 187,563.12, 281,259.59 and 80,896.67

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Solution

The fourth proportional to 187,563.12, 281,259.59 and 80,896.67 is: 121,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,563.12 : 281,259.59 = 80,896.67 : x
  2. Step 2: Convert to fraction form
    187,563.12/281,259.59 = 80,896.67/x
  3. Step 3: Cross multiply
    187,563.12x = 281,259.59 × 80,896.67
  4. Step 4: Simplify right side
    187,563.12x = 22,752,965,517.64
  5. Step 5: Solve for x
    x = 22,752,965,517.64/187,563.12
  6. Step 6: Final answer
    x = 121,308.31

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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.