Home / 134,099.66-201,223.20-81,546.06

Finding the Fourth Proportional to 134,099.66, 201,223.20 and 81,546.06

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Solution

The fourth proportional to 134,099.66, 201,223.20 and 81,546.06 is: 122,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,099.66 : 201,223.20 = 81,546.06 : x
  2. Step 2: Convert to fraction form
    134,099.66/201,223.20 = 81,546.06/x
  3. Step 3: Cross multiply
    134,099.66x = 201,223.20 × 81,546.06
  4. Step 4: Simplify right side
    134,099.66x = 16,408,959,140.59
  5. Step 5: Solve for x
    x = 16,408,959,140.59/134,099.66
  6. Step 6: Final answer
    x = 122,363.91

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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.