Home / 204,741.70-307,112.55-133,882.90

Finding the Fourth Proportional to 204,741.70, 307,112.55 and 133,882.90

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Solution

The fourth proportional to 204,741.70, 307,112.55 and 133,882.90 is: 200,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,741.70 : 307,112.55 = 133,882.90 : x
  2. Step 2: Convert to fraction form
    204,741.70/307,112.55 = 133,882.90/x
  3. Step 3: Cross multiply
    204,741.70x = 307,112.55 × 133,882.90
  4. Step 4: Simplify right side
    204,741.70x = 41,117,118,820.40
  5. Step 5: Solve for x
    x = 41,117,118,820.40/204,741.70
  6. Step 6: Final answer
    x = 200,824.35

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1.5x scale

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.