Home / 115,321.80-173,228.49-108,580.35

Finding the Fourth Proportional to 115,321.80, 173,228.49 and 108,580.35

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Solution

The fourth proportional to 115,321.80, 173,228.49 and 108,580.35 is: 163,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,321.80 : 173,228.49 = 108,580.35 : x
  2. Step 2: Convert to fraction form
    115,321.80/173,228.49 = 108,580.35/x
  3. Step 3: Cross multiply
    115,321.80x = 173,228.49 × 108,580.35
  4. Step 4: Simplify right side
    115,321.80x = 18,809,210,074.17
  5. Step 5: Solve for x
    x = 18,809,210,074.17/115,321.80
  6. Step 6: Final answer
    x = 163,101.95

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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.