Home / 124,037.13-186,149.31-90,843.26

Finding the Fourth Proportional to 124,037.13, 186,149.31 and 90,843.26

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Solution

The fourth proportional to 124,037.13, 186,149.31 and 90,843.26 is: 136,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,037.13 : 186,149.31 = 90,843.26 : x
  2. Step 2: Convert to fraction form
    124,037.13/186,149.31 = 90,843.26/x
  3. Step 3: Cross multiply
    124,037.13x = 186,149.31 × 90,843.26
  4. Step 4: Simplify right side
    124,037.13x = 16,910,409,236.40
  5. Step 5: Solve for x
    x = 16,910,409,236.40/124,037.13
  6. Step 6: Final answer
    x = 136,333.44

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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.