Home / 231,781.71-349,251.89-190,584.65

Finding the Fourth Proportional to 231,781.71, 349,251.89 and 190,584.65

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Solution

The fourth proportional to 231,781.71, 349,251.89 and 190,584.65 is: 287,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,781.71 : 349,251.89 = 190,584.65 : x
  2. Step 2: Convert to fraction form
    231,781.71/349,251.89 = 190,584.65/x
  3. Step 3: Cross multiply
    231,781.71x = 349,251.89 × 190,584.65
  4. Step 4: Simplify right side
    231,781.71x = 66,562,046,518.31
  5. Step 5: Solve for x
    x = 66,562,046,518.31/231,781.71
  6. Step 6: Final answer
    x = 287,175.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.