Home / 356,128.98-491,439.33-194,953.17

Finding the Fourth Proportional to 356,128.98, 491,439.33 and 194,953.17

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Solution

The fourth proportional to 356,128.98, 491,439.33 and 194,953.17 is: 269,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,128.98 : 491,439.33 = 194,953.17 : x
  2. Step 2: Convert to fraction form
    356,128.98/491,439.33 = 194,953.17/x
  3. Step 3: Cross multiply
    356,128.98x = 491,439.33 × 194,953.17
  4. Step 4: Simplify right side
    356,128.98x = 95,807,655,246.18
  5. Step 5: Solve for x
    x = 95,807,655,246.18/356,128.98
  6. Step 6: Final answer
    x = 269,025.16

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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.