Home / 188,243.37-259,644.78-159,752.88

Finding the Fourth Proportional to 188,243.37, 259,644.78 and 159,752.88

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Solution

The fourth proportional to 188,243.37, 259,644.78 and 159,752.88 is: 220,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,243.37 : 259,644.78 = 159,752.88 : x
  2. Step 2: Convert to fraction form
    188,243.37/259,644.78 = 159,752.88/x
  3. Step 3: Cross multiply
    188,243.37x = 259,644.78 × 159,752.88
  4. Step 4: Simplify right side
    188,243.37x = 41,479,001,381.97
  5. Step 5: Solve for x
    x = 41,479,001,381.97/188,243.37
  6. Step 6: Final answer
    x = 220,347.74

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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.