Home / 381,106.17-571,653.72-92,918.97

Finding the Fourth Proportional to 381,106.17, 571,653.72 and 92,918.97

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Solution

The fourth proportional to 381,106.17, 571,653.72 and 92,918.97 is: 139,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,106.17 : 571,653.72 = 92,918.97 : x
  2. Step 2: Convert to fraction form
    381,106.17/571,653.72 = 92,918.97/x
  3. Step 3: Cross multiply
    381,106.17x = 571,653.72 × 92,918.97
  4. Step 4: Simplify right side
    381,106.17x = 53,117,474,859.07
  5. Step 5: Solve for x
    x = 53,117,474,859.07/381,106.17
  6. Step 6: Final answer
    x = 139,377.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.