Home / 356,279.42-491,666.07-192,936.20

Finding the Fourth Proportional to 356,279.42, 491,666.07 and 192,936.20

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Solution

The fourth proportional to 356,279.42, 491,666.07 and 192,936.20 is: 266,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,279.42 : 491,666.07 = 192,936.20 : x
  2. Step 2: Convert to fraction form
    356,279.42/491,666.07 = 192,936.20/x
  3. Step 3: Cross multiply
    356,279.42x = 491,666.07 × 192,936.20
  4. Step 4: Simplify right side
    356,279.42x = 94,860,182,732.39
  5. Step 5: Solve for x
    x = 94,860,182,732.39/356,279.42
  6. Step 6: Final answer
    x = 266,252.21

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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.