Home / 175,164.20-262,940.70-108,679.40

Finding the Fourth Proportional to 175,164.20, 262,940.70 and 108,679.40

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Solution

The fourth proportional to 175,164.20, 262,940.70 and 108,679.40 is: 163,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,164.20 : 262,940.70 = 108,679.40 : x
  2. Step 2: Convert to fraction form
    175,164.20/262,940.70 = 108,679.40/x
  3. Step 3: Cross multiply
    175,164.20x = 262,940.70 × 108,679.40
  4. Step 4: Simplify right side
    175,164.20x = 28,576,237,511.58
  5. Step 5: Solve for x
    x = 28,576,237,511.58/175,164.20
  6. Step 6: Final answer
    x = 163,139.71

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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.