Home / 322,072.81-444,515.13-186,185.53

Finding the Fourth Proportional to 322,072.81, 444,515.13 and 186,185.53

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Solution

The fourth proportional to 322,072.81, 444,515.13 and 186,185.53 is: 256,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,072.81 : 444,515.13 = 186,185.53 : x
  2. Step 2: Convert to fraction form
    322,072.81/444,515.13 = 186,185.53/x
  3. Step 3: Cross multiply
    322,072.81x = 444,515.13 × 186,185.53
  4. Step 4: Simplify right side
    322,072.81x = 82,762,285,072.07
  5. Step 5: Solve for x
    x = 82,762,285,072.07/322,072.81
  6. Step 6: Final answer
    x = 256,967.63

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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.