Home / 131,706.22-181,754.56-71,276.87

Finding the Fourth Proportional to 131,706.22, 181,754.56 and 71,276.87

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Solution

The fourth proportional to 131,706.22, 181,754.56 and 71,276.87 is: 98,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706.22 : 181,754.56 = 71,276.87 : x
  2. Step 2: Convert to fraction form
    131,706.22/181,754.56 = 71,276.87/x
  3. Step 3: Cross multiply
    131,706.22x = 181,754.56 × 71,276.87
  4. Step 4: Simplify right side
    131,706.22x = 12,954,897,194.68
  5. Step 5: Solve for x
    x = 12,954,897,194.68/131,706.22
  6. Step 6: Final answer
    x = 98,362.08

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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.