Home / 355,816.09-491,186.53-226,927.52

Finding the Fourth Proportional to 355,816.09, 491,186.53 and 226,927.52

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Solution

The fourth proportional to 355,816.09, 491,186.53 and 226,927.52 is: 313,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,816.09 : 491,186.53 = 226,927.52 : x
  2. Step 2: Convert to fraction form
    355,816.09/491,186.53 = 226,927.52/x
  3. Step 3: Cross multiply
    355,816.09x = 491,186.53 × 226,927.52
  4. Step 4: Simplify right side
    355,816.09x = 111,463,743,542.91
  5. Step 5: Solve for x
    x = 111,463,743,542.91/355,816.09
  6. Step 6: Final answer
    x = 313,262.23

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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.