Home / 134,942.55-186,223.62-74,517.06

Finding the Fourth Proportional to 134,942.55, 186,223.62 and 74,517.06

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Solution

The fourth proportional to 134,942.55, 186,223.62 and 74,517.06 is: 102,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,942.55 : 186,223.62 = 74,517.06 : x
  2. Step 2: Convert to fraction form
    134,942.55/186,223.62 = 74,517.06/x
  3. Step 3: Cross multiply
    134,942.55x = 186,223.62 × 74,517.06
  4. Step 4: Simplify right side
    134,942.55x = 13,876,836,664.96
  5. Step 5: Solve for x
    x = 13,876,836,664.96/134,942.55
  6. Step 6: Final answer
    x = 102,835.14

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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.