Home / 235,628.20-352,923.90-209,362.60

Finding the Fourth Proportional to 235,628.20, 352,923.90 and 209,362.60

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Solution

The fourth proportional to 235,628.20, 352,923.90 and 209,362.60 is: 313,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,628.20 : 352,923.90 = 209,362.60 : x
  2. Step 2: Convert to fraction form
    235,628.20/352,923.90 = 209,362.60/x
  3. Step 3: Cross multiply
    235,628.20x = 352,923.90 × 209,362.60
  4. Step 4: Simplify right side
    235,628.20x = 73,889,065,306.14
  5. Step 5: Solve for x
    x = 73,889,065,306.14/235,628.20
  6. Step 6: Final answer
    x = 313,583.29

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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.