Home / 330,347.59-455,872.02-192,517.73

Finding the Fourth Proportional to 330,347.59, 455,872.02 and 192,517.73

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Solution

The fourth proportional to 330,347.59, 455,872.02 and 192,517.73 is: 265,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,347.59 : 455,872.02 = 192,517.73 : x
  2. Step 2: Convert to fraction form
    330,347.59/455,872.02 = 192,517.73/x
  3. Step 3: Cross multiply
    330,347.59x = 455,872.02 × 192,517.73
  4. Step 4: Simplify right side
    330,347.59x = 87,763,446,460.91
  5. Step 5: Solve for x
    x = 87,763,446,460.91/330,347.59
  6. Step 6: Final answer
    x = 265,670.01

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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.