Home / 190,076.88-262,371.66-109,536.50

Finding the Fourth Proportional to 190,076.88, 262,371.66 and 109,536.50

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Solution

The fourth proportional to 190,076.88, 262,371.66 and 109,536.50 is: 151,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,076.88 : 262,371.66 = 109,536.50 : x
  2. Step 2: Convert to fraction form
    190,076.88/262,371.66 = 109,536.50/x
  3. Step 3: Cross multiply
    190,076.88x = 262,371.66 × 109,536.50
  4. Step 4: Simplify right side
    190,076.88x = 28,739,273,580.76
  5. Step 5: Solve for x
    x = 28,739,273,580.76/190,076.88
  6. Step 6: Final answer
    x = 151,198.16

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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.