Home / 225,901.02-311,733.09-123,924.30

Finding the Fourth Proportional to 225,901.02, 311,733.09 and 123,924.30

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Solution

The fourth proportional to 225,901.02, 311,733.09 and 123,924.30 is: 171,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,901.02 : 311,733.09 = 123,924.30 : x
  2. Step 2: Convert to fraction form
    225,901.02/311,733.09 = 123,924.30/x
  3. Step 3: Cross multiply
    225,901.02x = 311,733.09 × 123,924.30
  4. Step 4: Simplify right side
    225,901.02x = 38,631,303,828.04
  5. Step 5: Solve for x
    x = 38,631,303,828.04/225,901.02
  6. Step 6: Final answer
    x = 171,009.87

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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.