Home / 106,272.31-146,611.77-63,243.19

Finding the Fourth Proportional to 106,272.31, 146,611.77 and 63,243.19

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Solution

The fourth proportional to 106,272.31, 146,611.77 and 63,243.19 is: 87,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,272.31 : 146,611.77 = 63,243.19 : x
  2. Step 2: Convert to fraction form
    106,272.31/146,611.77 = 63,243.19/x
  3. Step 3: Cross multiply
    106,272.31x = 146,611.77 × 63,243.19
  4. Step 4: Simplify right side
    106,272.31x = 9,272,196,026.35
  5. Step 5: Solve for x
    x = 9,272,196,026.35/106,272.31
  6. Step 6: Final answer
    x = 87,249.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.