Home / 147,844.78-204,025.86-79,861.75

Finding the Fourth Proportional to 147,844.78, 204,025.86 and 79,861.75

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Solution

The fourth proportional to 147,844.78, 204,025.86 and 79,861.75 is: 110,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,844.78 : 204,025.86 = 79,861.75 : x
  2. Step 2: Convert to fraction form
    147,844.78/204,025.86 = 79,861.75/x
  3. Step 3: Cross multiply
    147,844.78x = 204,025.86 × 79,861.75
  4. Step 4: Simplify right side
    147,844.78x = 16,293,861,714.79
  5. Step 5: Solve for x
    x = 16,293,861,714.79/147,844.78
  6. Step 6: Final answer
    x = 110,209.25

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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.