Home / 356,056.35-491,357.73-194,911.51

Finding the Fourth Proportional to 356,056.35, 491,357.73 and 194,911.51

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Solution

The fourth proportional to 356,056.35, 491,357.73 and 194,911.51 is: 268,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,056.35 : 491,357.73 = 194,911.51 : x
  2. Step 2: Convert to fraction form
    356,056.35/491,357.73 = 194,911.51/x
  3. Step 3: Cross multiply
    356,056.35x = 491,357.73 × 194,911.51
  4. Step 4: Simplify right side
    356,056.35x = 95,771,277,104.47
  5. Step 5: Solve for x
    x = 95,771,277,104.47/356,056.35
  6. Step 6: Final answer
    x = 268,977.87

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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.