Home / 204,741.40-307,112.10-188,152.60

Finding the Fourth Proportional to 204,741.40, 307,112.10 and 188,152.60

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Solution

The fourth proportional to 204,741.40, 307,112.10 and 188,152.60 is: 282,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,741.40 : 307,112.10 = 188,152.60 : x
  2. Step 2: Convert to fraction form
    204,741.40/307,112.10 = 188,152.60/x
  3. Step 3: Cross multiply
    204,741.40x = 307,112.10 × 188,152.60
  4. Step 4: Simplify right side
    204,741.40x = 57,783,940,106.46
  5. Step 5: Solve for x
    x = 57,783,940,106.46/204,741.40
  6. Step 6: Final answer
    x = 282,228.90

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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.