Home / 204,032.20-305,829.60-77,623.60

Finding the Fourth Proportional to 204,032.20, 305,829.60 and 77,623.60

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Solution

The fourth proportional to 204,032.20, 305,829.60 and 77,623.60 is: 116,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,032.20 : 305,829.60 = 77,623.60 : x
  2. Step 2: Convert to fraction form
    204,032.20/305,829.60 = 77,623.60/x
  3. Step 3: Cross multiply
    204,032.20x = 305,829.60 × 77,623.60
  4. Step 4: Simplify right side
    204,032.20x = 23,739,594,538.56
  5. Step 5: Solve for x
    x = 23,739,594,538.56/204,032.20
  6. Step 6: Final answer
    x = 116,352.20

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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.