Home / 190,431.18-262,803.63-108,766.56

Finding the Fourth Proportional to 190,431.18, 262,803.63 and 108,766.56

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Solution

The fourth proportional to 190,431.18, 262,803.63 and 108,766.56 is: 150,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,431.18 : 262,803.63 = 108,766.56 : x
  2. Step 2: Convert to fraction form
    190,431.18/262,803.63 = 108,766.56/x
  3. Step 3: Cross multiply
    190,431.18x = 262,803.63 × 108,766.56
  4. Step 4: Simplify right side
    190,431.18x = 28,584,246,790.61
  5. Step 5: Solve for x
    x = 28,584,246,790.61/190,431.18
  6. Step 6: Final answer
    x = 150,102.77

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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.