Home / 356,012.16-491,277.72-194,836.02

Finding the Fourth Proportional to 356,012.16, 491,277.72 and 194,836.02

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Solution

The fourth proportional to 356,012.16, 491,277.72 and 194,836.02 is: 268,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,012.16 : 491,277.72 = 194,836.02 : x
  2. Step 2: Convert to fraction form
    356,012.16/491,277.72 = 194,836.02/x
  3. Step 3: Cross multiply
    356,012.16x = 491,277.72 × 194,836.02
  4. Step 4: Simplify right side
    356,012.16x = 95,718,595,679.47
  5. Step 5: Solve for x
    x = 95,718,595,679.47/356,012.16
  6. Step 6: Final answer
    x = 268,863.28

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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.