Home / 124,037.63-186,150.06-90,843.75

Finding the Fourth Proportional to 124,037.63, 186,150.06 and 90,843.75

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Solution

The fourth proportional to 124,037.63, 186,150.06 and 90,843.75 is: 136,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,037.63 : 186,150.06 = 90,843.75 : x
  2. Step 2: Convert to fraction form
    124,037.63/186,150.06 = 90,843.75/x
  3. Step 3: Cross multiply
    124,037.63x = 186,150.06 × 90,843.75
  4. Step 4: Simplify right side
    124,037.63x = 16,910,569,513.13
  5. Step 5: Solve for x
    x = 16,910,569,513.13/124,037.63
  6. Step 6: Final answer
    x = 136,334.19

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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.