Home / 305,935.81-422,166.66-176,882.56

Finding the Fourth Proportional to 305,935.81, 422,166.66 and 176,882.56

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Solution

The fourth proportional to 305,935.81, 422,166.66 and 176,882.56 is: 244,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,935.81 : 422,166.66 = 176,882.56 : x
  2. Step 2: Convert to fraction form
    305,935.81/422,166.66 = 176,882.56/x
  3. Step 3: Cross multiply
    305,935.81x = 422,166.66 × 176,882.56
  4. Step 4: Simplify right side
    305,935.81x = 74,673,919,567.45
  5. Step 5: Solve for x
    x = 74,673,919,567.45/305,935.81
  6. Step 6: Final answer
    x = 244,083.62

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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.