Home / 262,151.25-392,381.03-135,617.24

Finding the Fourth Proportional to 262,151.25, 392,381.03 and 135,617.24

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Solution

The fourth proportional to 262,151.25, 392,381.03 and 135,617.24 is: 202,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,151.25 : 392,381.03 = 135,617.24 : x
  2. Step 2: Convert to fraction form
    262,151.25/392,381.03 = 135,617.24/x
  3. Step 3: Cross multiply
    262,151.25x = 392,381.03 × 135,617.24
  4. Step 4: Simplify right side
    262,151.25x = 53,213,629,676.97
  5. Step 5: Solve for x
    x = 53,213,629,676.97/262,151.25
  6. Step 6: Final answer
    x = 202,988.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.