Home / 236,046.54-325,744.25-128,616.57

Finding the Fourth Proportional to 236,046.54, 325,744.25 and 128,616.57

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Solution

The fourth proportional to 236,046.54, 325,744.25 and 128,616.57 is: 177,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,046.54 : 325,744.25 = 128,616.57 : x
  2. Step 2: Convert to fraction form
    236,046.54/325,744.25 = 128,616.57/x
  3. Step 3: Cross multiply
    236,046.54x = 325,744.25 × 128,616.57
  4. Step 4: Simplify right side
    236,046.54x = 41,896,108,132.22
  5. Step 5: Solve for x
    x = 41,896,108,132.22/236,046.54
  6. Step 6: Final answer
    x = 177,490.88

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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.