Home / 330,326.56-455,850.26-187,114.22

Finding the Fourth Proportional to 330,326.56, 455,850.26 and 187,114.22

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Solution

The fourth proportional to 330,326.56, 455,850.26 and 187,114.22 is: 258,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,326.56 : 455,850.26 = 187,114.22 : x
  2. Step 2: Convert to fraction form
    330,326.56/455,850.26 = 187,114.22/x
  3. Step 3: Cross multiply
    330,326.56x = 455,850.26 × 187,114.22
  4. Step 4: Simplify right side
    330,326.56x = 85,296,065,836.70
  5. Step 5: Solve for x
    x = 85,296,065,836.70/330,326.56
  6. Step 6: Final answer
    x = 258,217.40

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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.