Home / 147,401.64-203,414.46-80,333.64

Finding the Fourth Proportional to 147,401.64, 203,414.46 and 80,333.64

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Solution

The fourth proportional to 147,401.64, 203,414.46 and 80,333.64 is: 110,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,401.64 : 203,414.46 = 80,333.64 : x
  2. Step 2: Convert to fraction form
    147,401.64/203,414.46 = 80,333.64/x
  3. Step 3: Cross multiply
    147,401.64x = 203,414.46 × 80,333.64
  4. Step 4: Simplify right side
    147,401.64x = 16,341,024,000.43
  5. Step 5: Solve for x
    x = 16,341,024,000.43/147,401.64
  6. Step 6: Final answer
    x = 110,860.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.