Home / 266,320.10-399,481.68-88,826.60

Finding the Fourth Proportional to 266,320.10, 399,481.68 and 88,826.60

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Solution

The fourth proportional to 266,320.10, 399,481.68 and 88,826.60 is: 133,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,320.10 : 399,481.68 = 88,826.60 : x
  2. Step 2: Convert to fraction form
    266,320.10/399,481.68 = 88,826.60/x
  3. Step 3: Cross multiply
    266,320.10x = 399,481.68 × 88,826.60
  4. Step 4: Simplify right side
    266,320.10x = 35,484,599,396.69
  5. Step 5: Solve for x
    x = 35,484,599,396.69/266,320.10
  6. Step 6: Final answer
    x = 133,240.41

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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.