Home / 356,260.82-491,640.26-192,916.83

Finding the Fourth Proportional to 356,260.82, 491,640.26 and 192,916.83

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Solution

The fourth proportional to 356,260.82, 491,640.26 and 192,916.83 is: 266,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,260.82 : 491,640.26 = 192,916.83 : x
  2. Step 2: Convert to fraction form
    356,260.82/491,640.26 = 192,916.83/x
  3. Step 3: Cross multiply
    356,260.82x = 491,640.26 × 192,916.83
  4. Step 4: Simplify right side
    356,260.82x = 94,845,679,494.99
  5. Step 5: Solve for x
    x = 94,845,679,494.99/356,260.82
  6. Step 6: Final answer
    x = 266,225.40

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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.