Home / 276,098.39-381,011.16-153,589.31

Finding the Fourth Proportional to 276,098.39, 381,011.16 and 153,589.31

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Solution

The fourth proportional to 276,098.39, 381,011.16 and 153,589.31 is: 211,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,098.39 : 381,011.16 = 153,589.31 : x
  2. Step 2: Convert to fraction form
    276,098.39/381,011.16 = 153,589.31/x
  3. Step 3: Cross multiply
    276,098.39x = 381,011.16 × 153,589.31
  4. Step 4: Simplify right side
    276,098.39x = 58,519,241,166.70
  5. Step 5: Solve for x
    x = 58,519,241,166.70/276,098.39
  6. Step 6: Final answer
    x = 211,950.68

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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.