Home / 115,272.75-159,076.40-62,280.75

Finding the Fourth Proportional to 115,272.75, 159,076.40 and 62,280.75

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Solution

The fourth proportional to 115,272.75, 159,076.40 and 62,280.75 is: 85,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,272.75 : 159,076.40 = 62,280.75 : x
  2. Step 2: Convert to fraction form
    115,272.75/159,076.40 = 62,280.75/x
  3. Step 3: Cross multiply
    115,272.75x = 159,076.40 × 62,280.75
  4. Step 4: Simplify right side
    115,272.75x = 9,907,397,187.90
  5. Step 5: Solve for x
    x = 9,907,397,187.90/115,272.75
  6. Step 6: Final answer
    x = 85,947.44

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1.5x scale

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.