Home / 266,212.08-399,497.40-108,468.90

Finding the Fourth Proportional to 266,212.08, 399,497.40 and 108,468.90

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Solution

The fourth proportional to 266,212.08, 399,497.40 and 108,468.90 is: 162,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,212.08 : 399,497.40 = 108,468.90 : x
  2. Step 2: Convert to fraction form
    266,212.08/399,497.40 = 108,468.90/x
  3. Step 3: Cross multiply
    266,212.08x = 399,497.40 × 108,468.90
  4. Step 4: Simplify right side
    266,212.08x = 43,333,043,530.86
  5. Step 5: Solve for x
    x = 43,333,043,530.86/266,212.08
  6. Step 6: Final answer
    x = 162,776.40

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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.