Home / 196,629.50-271,348.98-107,205.50

Finding the Fourth Proportional to 196,629.50, 271,348.98 and 107,205.50

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Solution

The fourth proportional to 196,629.50, 271,348.98 and 107,205.50 is: 147,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,629.50 : 271,348.98 = 107,205.50 : x
  2. Step 2: Convert to fraction form
    196,629.50/271,348.98 = 107,205.50/x
  3. Step 3: Cross multiply
    196,629.50x = 271,348.98 × 107,205.50
  4. Step 4: Simplify right side
    196,629.50x = 29,090,103,075.39
  5. Step 5: Solve for x
    x = 29,090,103,075.39/196,629.50
  6. Step 6: Final answer
    x = 147,943.74

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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.