Home / 356,079.73-491,389.99-194,934.28

Finding the Fourth Proportional to 356,079.73, 491,389.99 and 194,934.28

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Solution

The fourth proportional to 356,079.73, 491,389.99 and 194,934.28 is: 269,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,079.73 : 491,389.99 = 194,934.28 : x
  2. Step 2: Convert to fraction form
    356,079.73/491,389.99 = 194,934.28/x
  3. Step 3: Cross multiply
    356,079.73x = 491,389.99 × 194,934.28
  4. Step 4: Simplify right side
    356,079.73x = 95,788,753,899.86
  5. Step 5: Solve for x
    x = 95,788,753,899.86/356,079.73
  6. Step 6: Final answer
    x = 269,009.29

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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.