Home / 177,309.69-265,742.90-113,961.21

Finding the Fourth Proportional to 177,309.69, 265,742.90 and 113,961.21

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Solution

The fourth proportional to 177,309.69, 265,742.90 and 113,961.21 is: 170,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,309.69 : 265,742.90 = 113,961.21 : x
  2. Step 2: Convert to fraction form
    177,309.69/265,742.90 = 113,961.21/x
  3. Step 3: Cross multiply
    177,309.69x = 265,742.90 × 113,961.21
  4. Step 4: Simplify right side
    177,309.69x = 30,284,383,429.76
  5. Step 5: Solve for x
    x = 30,284,383,429.76/177,309.69
  6. Step 6: Final answer
    x = 170,799.37

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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.