Home / 221,542.53-305,085.47-192,457.73

Finding the Fourth Proportional to 221,542.53, 305,085.47 and 192,457.73

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Solution

The fourth proportional to 221,542.53, 305,085.47 and 192,457.73 is: 265,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,542.53 : 305,085.47 = 192,457.73 : x
  2. Step 2: Convert to fraction form
    221,542.53/305,085.47 = 192,457.73/x
  3. Step 3: Cross multiply
    221,542.53x = 305,085.47 × 192,457.73
  4. Step 4: Simplify right side
    221,542.53x = 58,716,054,524.47
  5. Step 5: Solve for x
    x = 58,716,054,524.47/221,542.53
  6. Step 6: Final answer
    x = 265,032.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.