Home / 356,080.23-491,389.88-194,935.23

Finding the Fourth Proportional to 356,080.23, 491,389.88 and 194,935.23

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Solution

The fourth proportional to 356,080.23, 491,389.88 and 194,935.23 is: 269,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,080.23 : 491,389.88 = 194,935.23 : x
  2. Step 2: Convert to fraction form
    356,080.23/491,389.88 = 194,935.23/x
  3. Step 3: Cross multiply
    356,080.23x = 491,389.88 × 194,935.23
  4. Step 4: Simplify right side
    356,080.23x = 95,789,198,302.80
  5. Step 5: Solve for x
    x = 95,789,198,302.80/356,080.23
  6. Step 6: Final answer
    x = 269,010.16

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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.