Home / 131,172.93-195,736.31-117,035.78

Finding the Fourth Proportional to 131,172.93, 195,736.31 and 117,035.78

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Solution

The fourth proportional to 131,172.93, 195,736.31 and 117,035.78 is: 174,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,172.93 : 195,736.31 = 117,035.78 : x
  2. Step 2: Convert to fraction form
    131,172.93/195,736.31 = 117,035.78/x
  3. Step 3: Cross multiply
    131,172.93x = 195,736.31 × 117,035.78
  4. Step 4: Simplify right side
    131,172.93x = 22,908,151,029.08
  5. Step 5: Solve for x
    x = 22,908,151,029.08/131,172.93
  6. Step 6: Final answer
    x = 174,640.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.