Home / 188,081.54-259,552.49-107,510.79

Finding the Fourth Proportional to 188,081.54, 259,552.49 and 107,510.79

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Solution

The fourth proportional to 188,081.54, 259,552.49 and 107,510.79 is: 148,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,081.54 : 259,552.49 = 107,510.79 : x
  2. Step 2: Convert to fraction form
    188,081.54/259,552.49 = 107,510.79/x
  3. Step 3: Cross multiply
    188,081.54x = 259,552.49 × 107,510.79
  4. Step 4: Simplify right side
    188,081.54x = 27,904,692,708.81
  5. Step 5: Solve for x
    x = 27,904,692,708.81/188,081.54
  6. Step 6: Final answer
    x = 148,364.87

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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.