Home / 225,995.03-311,872.16-124,022.15

Finding the Fourth Proportional to 225,995.03, 311,872.16 and 124,022.15

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Solution

The fourth proportional to 225,995.03, 311,872.16 and 124,022.15 is: 171,150.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,995.03 : 311,872.16 = 124,022.15 : x
  2. Step 2: Convert to fraction form
    225,995.03/311,872.16 = 124,022.15/x
  3. Step 3: Cross multiply
    225,995.03x = 311,872.16 × 124,022.15
  4. Step 4: Simplify right side
    225,995.03x = 38,679,053,628.87
  5. Step 5: Solve for x
    x = 38,679,053,628.87/225,995.03
  6. Step 6: Final answer
    x = 171,150.02

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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.