Home / 266,828.16-400,212.66-67,148.60

Finding the Fourth Proportional to 266,828.16, 400,212.66 and 67,148.60

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Solution

The fourth proportional to 266,828.16, 400,212.66 and 67,148.60 is: 100,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,828.16 : 400,212.66 = 67,148.60 : x
  2. Step 2: Convert to fraction form
    266,828.16/400,212.66 = 67,148.60/x
  3. Step 3: Cross multiply
    266,828.16x = 400,212.66 × 67,148.60
  4. Step 4: Simplify right side
    266,828.16x = 26,873,719,821.28
  5. Step 5: Solve for x
    x = 26,873,719,821.28/266,828.16
  6. Step 6: Final answer
    x = 100,715.46

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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.