Home / 133,785.38-200,688.99-67,191.26

Finding the Fourth Proportional to 133,785.38, 200,688.99 and 67,191.26

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Solution

The fourth proportional to 133,785.38, 200,688.99 and 67,191.26 is: 100,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,785.38 : 200,688.99 = 67,191.26 : x
  2. Step 2: Convert to fraction form
    133,785.38/200,688.99 = 67,191.26/x
  3. Step 3: Cross multiply
    133,785.38x = 200,688.99 × 67,191.26
  4. Step 4: Simplify right side
    133,785.38x = 13,484,546,106.23
  5. Step 5: Solve for x
    x = 13,484,546,106.23/133,785.38
  6. Step 6: Final answer
    x = 100,792.37

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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.