Home / 356,112.59-491,416.70-194,936.76

Finding the Fourth Proportional to 356,112.59, 491,416.70 and 194,936.76

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Solution

The fourth proportional to 356,112.59, 491,416.70 and 194,936.76 is: 269,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,112.59 : 491,416.70 = 194,936.76 : x
  2. Step 2: Convert to fraction form
    356,112.59/491,416.70 = 194,936.76/x
  3. Step 3: Cross multiply
    356,112.59x = 491,416.70 × 194,936.76
  4. Step 4: Simplify right side
    356,112.59x = 95,795,178,333.21
  5. Step 5: Solve for x
    x = 95,795,178,333.21/356,112.59
  6. Step 6: Final answer
    x = 269,002.51

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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.