Home / 133,760.12-200,640.56-33,920.38

Finding the Fourth Proportional to 133,760.12, 200,640.56 and 33,920.38

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Solution

The fourth proportional to 133,760.12, 200,640.56 and 33,920.38 is: 50,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,760.12 : 200,640.56 = 33,920.38 : x
  2. Step 2: Convert to fraction form
    133,760.12/200,640.56 = 33,920.38/x
  3. Step 3: Cross multiply
    133,760.12x = 200,640.56 × 33,920.38
  4. Step 4: Simplify right side
    133,760.12x = 6,805,804,038.61
  5. Step 5: Solve for x
    x = 6,805,804,038.61/133,760.12
  6. Step 6: Final answer
    x = 50,880.67

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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.