Home / 225,981.34-311,853.39-124,008.49

Finding the Fourth Proportional to 225,981.34, 311,853.39 and 124,008.49

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Solution

The fourth proportional to 225,981.34, 311,853.39 and 124,008.49 is: 171,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,981.34 : 311,853.39 = 124,008.49 : x
  2. Step 2: Convert to fraction form
    225,981.34/311,853.39 = 124,008.49/x
  3. Step 3: Cross multiply
    225,981.34x = 311,853.39 × 124,008.49
  4. Step 4: Simplify right side
    225,981.34x = 38,672,467,995.28
  5. Step 5: Solve for x
    x = 38,672,467,995.28/225,981.34
  6. Step 6: Final answer
    x = 171,131.24

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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.