Home / 541,299.80-811,949.70-167,360.60

Finding the Fourth Proportional to 541,299.80, 811,949.70 and 167,360.60

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Solution

The fourth proportional to 541,299.80, 811,949.70 and 167,360.60 is: 251,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,299.80 : 811,949.70 = 167,360.60 : x
  2. Step 2: Convert to fraction form
    541,299.80/811,949.70 = 167,360.60/x
  3. Step 3: Cross multiply
    541,299.80x = 811,949.70 × 167,360.60
  4. Step 4: Simplify right side
    541,299.80x = 135,888,388,961.82
  5. Step 5: Solve for x
    x = 135,888,388,961.82/541,299.80
  6. Step 6: Final answer
    x = 251,040.90

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Double scale
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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.