Home / 106,728.22-147,285.41-58,331.13

Finding the Fourth Proportional to 106,728.22, 147,285.41 and 58,331.13

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Solution

The fourth proportional to 106,728.22, 147,285.41 and 58,331.13 is: 80,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,728.22 : 147,285.41 = 58,331.13 : x
  2. Step 2: Convert to fraction form
    106,728.22/147,285.41 = 58,331.13/x
  3. Step 3: Cross multiply
    106,728.22x = 147,285.41 × 58,331.13
  4. Step 4: Simplify right side
    106,728.22x = 8,591,323,553.84
  5. Step 5: Solve for x
    x = 8,591,323,553.84/106,728.22
  6. Step 6: Final answer
    x = 80,497.21

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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.