Home / 147,844.90-204,025.84-79,861.85

Finding the Fourth Proportional to 147,844.90, 204,025.84 and 79,861.85

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Solution

The fourth proportional to 147,844.90, 204,025.84 and 79,861.85 is: 110,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,844.90 : 204,025.84 = 79,861.85 : x
  2. Step 2: Convert to fraction form
    147,844.90/204,025.84 = 79,861.85/x
  3. Step 3: Cross multiply
    147,844.90x = 204,025.84 × 79,861.85
  4. Step 4: Simplify right side
    147,844.90x = 16,293,880,630.89
  5. Step 5: Solve for x
    x = 16,293,880,630.89/147,844.90
  6. Step 6: Final answer
    x = 110,209.28

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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.