Home / 325,110.69-487,565.19-114,699.42

Finding the Fourth Proportional to 325,110.69, 487,565.19 and 114,699.42

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Solution

The fourth proportional to 325,110.69, 487,565.19 and 114,699.42 is: 172,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,110.69 : 487,565.19 = 114,699.42 : x
  2. Step 2: Convert to fraction form
    325,110.69/487,565.19 = 114,699.42/x
  3. Step 3: Cross multiply
    325,110.69x = 487,565.19 × 114,699.42
  4. Step 4: Simplify right side
    325,110.69x = 55,923,444,505.19
  5. Step 5: Solve for x
    x = 55,923,444,505.19/325,110.69
  6. Step 6: Final answer
    x = 172,013.55

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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.