Home / 131,706.07-181,754.69-71,277.14

Finding the Fourth Proportional to 131,706.07, 181,754.69 and 71,277.14

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Solution

The fourth proportional to 131,706.07, 181,754.69 and 71,277.14 is: 98,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706.07 : 181,754.69 = 71,277.14 : x
  2. Step 2: Convert to fraction form
    131,706.07/181,754.69 = 71,277.14/x
  3. Step 3: Cross multiply
    131,706.07x = 181,754.69 × 71,277.14
  4. Step 4: Simplify right side
    131,706.07x = 12,954,954,582.79
  5. Step 5: Solve for x
    x = 12,954,954,582.79/131,706.07
  6. Step 6: Final answer
    x = 98,362.63

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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.