Home / 147,158.20-203,064.24-82,612.64

Finding the Fourth Proportional to 147,158.20, 203,064.24 and 82,612.64

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Solution

The fourth proportional to 147,158.20, 203,064.24 and 82,612.64 is: 113,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,158.20 : 203,064.24 = 82,612.64 : x
  2. Step 2: Convert to fraction form
    147,158.20/203,064.24 = 82,612.64/x
  3. Step 3: Cross multiply
    147,158.20x = 203,064.24 × 82,612.64
  4. Step 4: Simplify right side
    147,158.20x = 16,775,672,955.99
  5. Step 5: Solve for x
    x = 16,775,672,955.99/147,158.20
  6. Step 6: Final answer
    x = 113,997.54

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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.