Home / 179,783.21-247,996.07-115,229.45

Finding the Fourth Proportional to 179,783.21, 247,996.07 and 115,229.45

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Solution

The fourth proportional to 179,783.21, 247,996.07 and 115,229.45 is: 158,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,783.21 : 247,996.07 = 115,229.45 : x
  2. Step 2: Convert to fraction form
    179,783.21/247,996.07 = 115,229.45/x
  3. Step 3: Cross multiply
    179,783.21x = 247,996.07 × 115,229.45
  4. Step 4: Simplify right side
    179,783.21x = 28,576,448,932.13
  5. Step 5: Solve for x
    x = 28,576,448,932.13/179,783.21
  6. Step 6: Final answer
    x = 158,949.49

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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.