Home / 193,721.62-288,887.27-191,950.12

Finding the Fourth Proportional to 193,721.62, 288,887.27 and 191,950.12

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Solution

The fourth proportional to 193,721.62, 288,887.27 and 191,950.12 is: 286,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,721.62 : 288,887.27 = 191,950.12 : x
  2. Step 2: Convert to fraction form
    193,721.62/288,887.27 = 191,950.12/x
  3. Step 3: Cross multiply
    193,721.62x = 288,887.27 × 191,950.12
  4. Step 4: Simplify right side
    193,721.62x = 55,451,946,142.97
  5. Step 5: Solve for x
    x = 55,451,946,142.97/193,721.62
  6. Step 6: Final answer
    x = 286,245.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.