Home / 131,706.33-181,754.73-71,276.97

Finding the Fourth Proportional to 131,706.33, 181,754.73 and 71,276.97

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Solution

The fourth proportional to 131,706.33, 181,754.73 and 71,276.97 is: 98,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706.33 : 181,754.73 = 71,276.97 : x
  2. Step 2: Convert to fraction form
    131,706.33/181,754.73 = 71,276.97/x
  3. Step 3: Cross multiply
    131,706.33x = 181,754.73 × 71,276.97
  4. Step 4: Simplify right side
    131,706.33x = 12,954,926,437.57
  5. Step 5: Solve for x
    x = 12,954,926,437.57/131,706.33
  6. Step 6: Final answer
    x = 98,362.22

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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.