Home / 115,794.28-173,512.09-80,324.58

Finding the Fourth Proportional to 115,794.28, 173,512.09 and 80,324.58

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Solution

The fourth proportional to 115,794.28, 173,512.09 and 80,324.58 is: 120,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,794.28 : 173,512.09 = 80,324.58 : x
  2. Step 2: Convert to fraction form
    115,794.28/173,512.09 = 80,324.58/x
  3. Step 3: Cross multiply
    115,794.28x = 173,512.09 × 80,324.58
  4. Step 4: Simplify right side
    115,794.28x = 13,937,285,754.17
  5. Step 5: Solve for x
    x = 13,937,285,754.17/115,794.28
  6. Step 6: Final answer
    x = 120,362.47

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1.5x scale

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.