Home / 262,921.20-394,421.40-96,696.24

Finding the Fourth Proportional to 262,921.20, 394,421.40 and 96,696.24

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Solution

The fourth proportional to 262,921.20, 394,421.40 and 96,696.24 is: 145,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,921.20 : 394,421.40 = 96,696.24 : x
  2. Step 2: Convert to fraction form
    262,921.20/394,421.40 = 96,696.24/x
  3. Step 3: Cross multiply
    262,921.20x = 394,421.40 × 96,696.24
  4. Step 4: Simplify right side
    262,921.20x = 38,139,066,355.54
  5. Step 5: Solve for x
    x = 38,139,066,355.54/262,921.20
  6. Step 6: Final answer
    x = 145,058.92

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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.