Home / 268,917.80-403,376.70-174,914.60

Finding the Fourth Proportional to 268,917.80, 403,376.70 and 174,914.60

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Solution

The fourth proportional to 268,917.80, 403,376.70 and 174,914.60 is: 262,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,917.80 : 403,376.70 = 174,914.60 : x
  2. Step 2: Convert to fraction form
    268,917.80/403,376.70 = 174,914.60/x
  3. Step 3: Cross multiply
    268,917.80x = 403,376.70 × 174,914.60
  4. Step 4: Simplify right side
    268,917.80x = 70,556,474,129.82
  5. Step 5: Solve for x
    x = 70,556,474,129.82/268,917.80
  6. Step 6: Final answer
    x = 262,371.90

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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.