Home / 231,039.20-346,299.60-97,896.80

Finding the Fourth Proportional to 231,039.20, 346,299.60 and 97,896.80

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Solution

The fourth proportional to 231,039.20, 346,299.60 and 97,896.80 is: 146,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,039.20 : 346,299.60 = 97,896.80 : x
  2. Step 2: Convert to fraction form
    231,039.20/346,299.60 = 97,896.80/x
  3. Step 3: Cross multiply
    231,039.20x = 346,299.60 × 97,896.80
  4. Step 4: Simplify right side
    231,039.20x = 33,901,622,681.28
  5. Step 5: Solve for x
    x = 33,901,622,681.28/231,039.20
  6. Step 6: Final answer
    x = 146,735.37

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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.