Home / 202,371.24-279,264.96-111,725.28

Finding the Fourth Proportional to 202,371.24, 279,264.96 and 111,725.28

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Solution

The fourth proportional to 202,371.24, 279,264.96 and 111,725.28 is: 154,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,371.24 : 279,264.96 = 111,725.28 : x
  2. Step 2: Convert to fraction form
    202,371.24/279,264.96 = 111,725.28/x
  3. Step 3: Cross multiply
    202,371.24x = 279,264.96 × 111,725.28
  4. Step 4: Simplify right side
    202,371.24x = 31,200,955,850.19
  5. Step 5: Solve for x
    x = 31,200,955,850.19/202,371.24
  6. Step 6: Final answer
    x = 154,176.83

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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.