Home / 339,015.16-508,552.38-125,785.48

Finding the Fourth Proportional to 339,015.16, 508,552.38 and 125,785.48

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Solution

The fourth proportional to 339,015.16, 508,552.38 and 125,785.48 is: 188,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,015.16 : 508,552.38 = 125,785.48 : x
  2. Step 2: Convert to fraction form
    339,015.16/508,552.38 = 125,785.48/x
  3. Step 3: Cross multiply
    339,015.16x = 508,552.38 × 125,785.48
  4. Step 4: Simplify right side
    339,015.16x = 63,968,505,223.44
  5. Step 5: Solve for x
    x = 63,968,505,223.44/339,015.16
  6. Step 6: Final answer
    x = 188,689.22

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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.