Home / 262,255.34-392,537.07-135,721.51

Finding the Fourth Proportional to 262,255.34, 392,537.07 and 135,721.51

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Solution

The fourth proportional to 262,255.34, 392,537.07 and 135,721.51 is: 203,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,255.34 : 392,537.07 = 135,721.51 : x
  2. Step 2: Convert to fraction form
    262,255.34/392,537.07 = 135,721.51/x
  3. Step 3: Cross multiply
    262,255.34x = 392,537.07 × 135,721.51
  4. Step 4: Simplify right side
    262,255.34x = 53,275,722,890.03
  5. Step 5: Solve for x
    x = 53,275,722,890.03/262,255.34
  6. Step 6: Final answer
    x = 203,144.47

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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.