Home / 266,825.16-400,208.16-67,145.60

Finding the Fourth Proportional to 266,825.16, 400,208.16 and 67,145.60

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Solution

The fourth proportional to 266,825.16, 400,208.16 and 67,145.60 is: 100,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,825.16 : 400,208.16 = 67,145.60 : x
  2. Step 2: Convert to fraction form
    266,825.16/400,208.16 = 67,145.60/x
  3. Step 3: Cross multiply
    266,825.16x = 400,208.16 × 67,145.60
  4. Step 4: Simplify right side
    266,825.16x = 26,872,217,028.10
  5. Step 5: Solve for x
    x = 26,872,217,028.10/266,825.16
  6. Step 6: Final answer
    x = 100,710.96

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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.