Home / 327,905.70-491,858.55-117,564.90

Finding the Fourth Proportional to 327,905.70, 491,858.55 and 117,564.90

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Solution

The fourth proportional to 327,905.70, 491,858.55 and 117,564.90 is: 176,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,905.70 : 491,858.55 = 117,564.90 : x
  2. Step 2: Convert to fraction form
    327,905.70/491,858.55 = 117,564.90/x
  3. Step 3: Cross multiply
    327,905.70x = 491,858.55 × 117,564.90
  4. Step 4: Simplify right side
    327,905.70x = 57,825,301,244.90
  5. Step 5: Solve for x
    x = 57,825,301,244.90/327,905.70
  6. Step 6: Final answer
    x = 176,347.35

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Similar ratio
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1.5x scale

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.