Home / 168,122.80-232,002.49-91,640.22

Finding the Fourth Proportional to 168,122.80, 232,002.49 and 91,640.22

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Solution

The fourth proportional to 168,122.80, 232,002.49 and 91,640.22 is: 126,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,122.80 : 232,002.49 = 91,640.22 : x
  2. Step 2: Convert to fraction form
    168,122.80/232,002.49 = 91,640.22/x
  3. Step 3: Cross multiply
    168,122.80x = 232,002.49 × 91,640.22
  4. Step 4: Simplify right side
    168,122.80x = 21,260,759,224.15
  5. Step 5: Solve for x
    x = 21,260,759,224.15/168,122.80
  6. Step 6: Final answer
    x = 126,459.70

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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.