Home / 163,738.80-225,943.46-92,117.28

Finding the Fourth Proportional to 163,738.80, 225,943.46 and 92,117.28

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Solution

The fourth proportional to 163,738.80, 225,943.46 and 92,117.28 is: 127,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,738.80 : 225,943.46 = 92,117.28 : x
  2. Step 2: Convert to fraction form
    163,738.80/225,943.46 = 92,117.28/x
  3. Step 3: Cross multiply
    163,738.80x = 225,943.46 × 92,117.28
  4. Step 4: Simplify right side
    163,738.80x = 20,813,297,701.13
  5. Step 5: Solve for x
    x = 20,813,297,701.13/163,738.80
  6. Step 6: Final answer
    x = 127,112.80

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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.