Home / 330,576.69-456,205.46-187,331.97

Finding the Fourth Proportional to 330,576.69, 456,205.46 and 187,331.97

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Solution

The fourth proportional to 330,576.69, 456,205.46 and 187,331.97 is: 258,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,576.69 : 456,205.46 = 187,331.97 : x
  2. Step 2: Convert to fraction form
    330,576.69/456,205.46 = 187,331.97/x
  3. Step 3: Cross multiply
    330,576.69x = 456,205.46 × 187,331.97
  4. Step 4: Simplify right side
    330,576.69x = 85,461,866,609.90
  5. Step 5: Solve for x
    x = 85,461,866,609.90/330,576.69
  6. Step 6: Final answer
    x = 258,523.57

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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.