Home / 356,131.28-491,461.23-194,986.37

Finding the Fourth Proportional to 356,131.28, 491,461.23 and 194,986.37

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Solution

The fourth proportional to 356,131.28, 491,461.23 and 194,986.37 is: 269,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,131.28 : 491,461.23 = 194,986.37 : x
  2. Step 2: Convert to fraction form
    356,131.28/491,461.23 = 194,986.37/x
  3. Step 3: Cross multiply
    356,131.28x = 491,461.23 × 194,986.37
  4. Step 4: Simplify right side
    356,131.28x = 95,828,238,776.13
  5. Step 5: Solve for x
    x = 95,828,238,776.13/356,131.28
  6. Step 6: Final answer
    x = 269,081.22

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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.