Home / 225,384.32-311,029.44-123,410.24

Finding the Fourth Proportional to 225,384.32, 311,029.44 and 123,410.24

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Solution

The fourth proportional to 225,384.32, 311,029.44 and 123,410.24 is: 170,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,384.32 : 311,029.44 = 123,410.24 : x
  2. Step 2: Convert to fraction form
    225,384.32/311,029.44 = 123,410.24/x
  3. Step 3: Cross multiply
    225,384.32x = 311,029.44 × 123,410.24
  4. Step 4: Simplify right side
    225,384.32x = 38,384,217,837.47
  5. Step 5: Solve for x
    x = 38,384,217,837.47/225,384.32
  6. Step 6: Final answer
    x = 170,305.63

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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.