Home / 262,581.60-394,066.80-104,923.20

Finding the Fourth Proportional to 262,581.60, 394,066.80 and 104,923.20

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Solution

The fourth proportional to 262,581.60, 394,066.80 and 104,923.20 is: 157,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,581.60 : 394,066.80 = 104,923.20 : x
  2. Step 2: Convert to fraction form
    262,581.60/394,066.80 = 104,923.20/x
  3. Step 3: Cross multiply
    262,581.60x = 394,066.80 × 104,923.20
  4. Step 4: Simplify right side
    262,581.60x = 41,346,749,669.76
  5. Step 5: Solve for x
    x = 41,346,749,669.76/262,581.60
  6. Step 6: Final answer
    x = 157,462.48

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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.