Home / 131,891.24-182,009.64-71,463.41

Finding the Fourth Proportional to 131,891.24, 182,009.64 and 71,463.41

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Solution

The fourth proportional to 131,891.24, 182,009.64 and 71,463.41 is: 98,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,891.24 : 182,009.64 = 71,463.41 : x
  2. Step 2: Convert to fraction form
    131,891.24/182,009.64 = 71,463.41/x
  3. Step 3: Cross multiply
    131,891.24x = 182,009.64 × 71,463.41
  4. Step 4: Simplify right side
    131,891.24x = 13,007,029,527.27
  5. Step 5: Solve for x
    x = 13,007,029,527.27/131,891.24
  6. Step 6: Final answer
    x = 98,619.36

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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.