Home / 214,578.72-321,868.07-114,435.51

Finding the Fourth Proportional to 214,578.72, 321,868.07 and 114,435.51

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Solution

The fourth proportional to 214,578.72, 321,868.07 and 114,435.51 is: 171,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,578.72 : 321,868.07 = 114,435.51 : x
  2. Step 2: Convert to fraction form
    214,578.72/321,868.07 = 114,435.51/x
  3. Step 3: Cross multiply
    214,578.72x = 321,868.07 × 114,435.51
  4. Step 4: Simplify right side
    214,578.72x = 36,833,136,743.17
  5. Step 5: Solve for x
    x = 36,833,136,743.17/214,578.72
  6. Step 6: Final answer
    x = 171,653.26

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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.