Home / 190,566.48-262,975.12-105,691.44

Finding the Fourth Proportional to 190,566.48, 262,975.12 and 105,691.44

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Solution

The fourth proportional to 190,566.48, 262,975.12 and 105,691.44 is: 145,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,566.48 : 262,975.12 = 105,691.44 : x
  2. Step 2: Convert to fraction form
    190,566.48/262,975.12 = 105,691.44/x
  3. Step 3: Cross multiply
    190,566.48x = 262,975.12 × 105,691.44
  4. Step 4: Simplify right side
    190,566.48x = 27,794,219,116.97
  5. Step 5: Solve for x
    x = 27,794,219,116.97/190,566.48
  6. Step 6: Final answer
    x = 145,850.51

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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.