Home / 281,954.13-422,791.22-89,803.50

Finding the Fourth Proportional to 281,954.13, 422,791.22 and 89,803.50

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Solution

The fourth proportional to 281,954.13, 422,791.22 and 89,803.50 is: 134,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,954.13 : 422,791.22 = 89,803.50 : x
  2. Step 2: Convert to fraction form
    281,954.13/422,791.22 = 89,803.50/x
  3. Step 3: Cross multiply
    281,954.13x = 422,791.22 × 89,803.50
  4. Step 4: Simplify right side
    281,954.13x = 37,968,130,876.25
  5. Step 5: Solve for x
    x = 37,968,130,876.25/281,954.13
  6. Step 6: Final answer
    x = 134,660.67

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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.