Home / 190,356.48-262,702.44-109,809.27

Finding the Fourth Proportional to 190,356.48, 262,702.44 and 109,809.27

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Solution

The fourth proportional to 190,356.48, 262,702.44 and 109,809.27 is: 151,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,356.48 : 262,702.44 = 109,809.27 : x
  2. Step 2: Convert to fraction form
    190,356.48/262,702.44 = 109,809.27/x
  3. Step 3: Cross multiply
    190,356.48x = 262,702.44 × 109,809.27
  4. Step 4: Simplify right side
    190,356.48x = 28,847,163,163.62
  5. Step 5: Solve for x
    x = 28,847,163,163.62/190,356.48
  6. Step 6: Final answer
    x = 151,542.85

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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.