Home / 281,607.70-422,360.28-113,121.22

Finding the Fourth Proportional to 281,607.70, 422,360.28 and 113,121.22

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Solution

The fourth proportional to 281,607.70, 422,360.28 and 113,121.22 is: 169,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,607.70 : 422,360.28 = 113,121.22 : x
  2. Step 2: Convert to fraction form
    281,607.70/422,360.28 = 113,121.22/x
  3. Step 3: Cross multiply
    281,607.70x = 422,360.28 × 113,121.22
  4. Step 4: Simplify right side
    281,607.70x = 47,777,910,153.14
  5. Step 5: Solve for x
    x = 47,777,910,153.14/281,607.70
  6. Step 6: Final answer
    x = 169,661.23

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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.