Home / 330,370.25-455,872.27-194,374.29

Finding the Fourth Proportional to 330,370.25, 455,872.27 and 194,374.29

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Solution

The fourth proportional to 330,370.25, 455,872.27 and 194,374.29 is: 268,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,370.25 : 455,872.27 = 194,374.29 : x
  2. Step 2: Convert to fraction form
    330,370.25/455,872.27 = 194,374.29/x
  3. Step 3: Cross multiply
    330,370.25x = 455,872.27 × 194,374.29
  4. Step 4: Simplify right side
    330,370.25x = 88,609,847,840.07
  5. Step 5: Solve for x
    x = 88,609,847,840.07/330,370.25
  6. Step 6: Final answer
    x = 268,213.76

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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.