Home / 356,029.47-491,320.85-194,885.46

Finding the Fourth Proportional to 356,029.47, 491,320.85 and 194,885.46

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Solution

The fourth proportional to 356,029.47, 491,320.85 and 194,885.46 is: 268,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,029.47 : 491,320.85 = 194,885.46 : x
  2. Step 2: Convert to fraction form
    356,029.47/491,320.85 = 194,885.46/x
  3. Step 3: Cross multiply
    356,029.47x = 491,320.85 × 194,885.46
  4. Step 4: Simplify right side
    356,029.47x = 95,751,288,885.41
  5. Step 5: Solve for x
    x = 95,751,288,885.41/356,029.47
  6. Step 6: Final answer
    x = 268,942.03

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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.