Home / 330,122.58-455,677.56-194,150.58

Finding the Fourth Proportional to 330,122.58, 455,677.56 and 194,150.58

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Solution

The fourth proportional to 330,122.58, 455,677.56 and 194,150.58 is: 267,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,122.58 : 455,677.56 = 194,150.58 : x
  2. Step 2: Convert to fraction form
    330,122.58/455,677.56 = 194,150.58/x
  3. Step 3: Cross multiply
    330,122.58x = 455,677.56 × 194,150.58
  4. Step 4: Simplify right side
    330,122.58x = 88,470,062,566.98
  5. Step 5: Solve for x
    x = 88,470,062,566.98/330,122.58
  6. Step 6: Final answer
    x = 267,991.55

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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.