Home / 127,062.54-175,355.19-72,622.72

Finding the Fourth Proportional to 127,062.54, 175,355.19 and 72,622.72

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Solution

The fourth proportional to 127,062.54, 175,355.19 and 72,622.72 is: 100,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,062.54 : 175,355.19 = 72,622.72 : x
  2. Step 2: Convert to fraction form
    127,062.54/175,355.19 = 72,622.72/x
  3. Step 3: Cross multiply
    127,062.54x = 175,355.19 × 72,622.72
  4. Step 4: Simplify right side
    127,062.54x = 12,734,770,863.92
  5. Step 5: Solve for x
    x = 12,734,770,863.92/127,062.54
  6. Step 6: Final answer
    x = 100,224.43

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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.