Home / 262,334.11-393,457.14-72,813.73

Finding the Fourth Proportional to 262,334.11, 393,457.14 and 72,813.73

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Solution

The fourth proportional to 262,334.11, 393,457.14 and 72,813.73 is: 109,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,334.11 : 393,457.14 = 72,813.73 : x
  2. Step 2: Convert to fraction form
    262,334.11/393,457.14 = 72,813.73/x
  3. Step 3: Cross multiply
    262,334.11x = 393,457.14 × 72,813.73
  4. Step 4: Simplify right side
    262,334.11x = 28,649,081,958.53
  5. Step 5: Solve for x
    x = 28,649,081,958.53/262,334.11
  6. Step 6: Final answer
    x = 109,208.38

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1.5x scale

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.