Home / 193,105.46-266,206.38-135,569.64

Finding the Fourth Proportional to 193,105.46, 266,206.38 and 135,569.64

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Solution

The fourth proportional to 193,105.46, 266,206.38 and 135,569.64 is: 186,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,105.46 : 266,206.38 = 135,569.64 : x
  2. Step 2: Convert to fraction form
    193,105.46/266,206.38 = 135,569.64/x
  3. Step 3: Cross multiply
    193,105.46x = 266,206.38 × 135,569.64
  4. Step 4: Simplify right side
    193,105.46x = 36,089,503,102.30
  5. Step 5: Solve for x
    x = 36,089,503,102.30/193,105.46
  6. Step 6: Final answer
    x = 186,890.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.