Home / 190,092.18-262,356.66-108,420.60

Finding the Fourth Proportional to 190,092.18, 262,356.66 and 108,420.60

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Solution

The fourth proportional to 190,092.18, 262,356.66 and 108,420.60 is: 149,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,092.18 : 262,356.66 = 108,420.60 : x
  2. Step 2: Convert to fraction form
    190,092.18/262,356.66 = 108,420.60/x
  3. Step 3: Cross multiply
    190,092.18x = 262,356.66 × 108,420.60
  4. Step 4: Simplify right side
    190,092.18x = 28,444,866,491.20
  5. Step 5: Solve for x
    x = 28,444,866,491.20/190,092.18
  6. Step 6: Final answer
    x = 149,637.23

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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.