Home / 201,828.20-302,612.70-83,546.60

Finding the Fourth Proportional to 201,828.20, 302,612.70 and 83,546.60

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Solution

The fourth proportional to 201,828.20, 302,612.70 and 83,546.60 is: 125,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,828.20 : 302,612.70 = 83,546.60 : x
  2. Step 2: Convert to fraction form
    201,828.20/302,612.70 = 83,546.60/x
  3. Step 3: Cross multiply
    201,828.20x = 302,612.70 × 83,546.60
  4. Step 4: Simplify right side
    201,828.20x = 25,282,262,201.82
  5. Step 5: Solve for x
    x = 25,282,262,201.82/201,828.20
  6. Step 6: Final answer
    x = 125,266.25

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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.