Home / 164,075.20-246,112.80-136,081.60

Finding the Fourth Proportional to 164,075.20, 246,112.80 and 136,081.60

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Solution

The fourth proportional to 164,075.20, 246,112.80 and 136,081.60 is: 204,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,075.20 : 246,112.80 = 136,081.60 : x
  2. Step 2: Convert to fraction form
    164,075.20/246,112.80 = 136,081.60/x
  3. Step 3: Cross multiply
    164,075.20x = 246,112.80 × 136,081.60
  4. Step 4: Simplify right side
    164,075.20x = 33,491,423,604.48
  5. Step 5: Solve for x
    x = 33,491,423,604.48/164,075.20
  6. Step 6: Final answer
    x = 204,122.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.