Home / 330,575.94-456,204.42-187,331.22

Finding the Fourth Proportional to 330,575.94, 456,204.42 and 187,331.22

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Solution

The fourth proportional to 330,575.94, 456,204.42 and 187,331.22 is: 258,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,575.94 : 456,204.42 = 187,331.22 : x
  2. Step 2: Convert to fraction form
    330,575.94/456,204.42 = 187,331.22/x
  3. Step 3: Cross multiply
    330,575.94x = 456,204.42 × 187,331.22
  4. Step 4: Simplify right side
    330,575.94x = 85,461,330,567.99
  5. Step 5: Solve for x
    x = 85,461,330,567.99/330,575.94
  6. Step 6: Final answer
    x = 258,522.54

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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.