Home / 329,769.90-493,670.70-196,581.60

Finding the Fourth Proportional to 329,769.90, 493,670.70 and 196,581.60

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Solution

The fourth proportional to 329,769.90, 493,670.70 and 196,581.60 is: 294,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,769.90 : 493,670.70 = 196,581.60 : x
  2. Step 2: Convert to fraction form
    329,769.90/493,670.70 = 196,581.60/x
  3. Step 3: Cross multiply
    329,769.90x = 493,670.70 × 196,581.60
  4. Step 4: Simplify right side
    329,769.90x = 97,046,576,079.12
  5. Step 5: Solve for x
    x = 97,046,576,079.12/329,769.90
  6. Step 6: Final answer
    x = 294,285.73

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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.