Home / 266,166.35-398,917.26-133,084.67

Finding the Fourth Proportional to 266,166.35, 398,917.26 and 133,084.67

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Solution

The fourth proportional to 266,166.35, 398,917.26 and 133,084.67 is: 199,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,166.35 : 398,917.26 = 133,084.67 : x
  2. Step 2: Convert to fraction form
    266,166.35/398,917.26 = 133,084.67/x
  3. Step 3: Cross multiply
    266,166.35x = 398,917.26 × 133,084.67
  4. Step 4: Simplify right side
    266,166.35x = 53,089,771,904.40
  5. Step 5: Solve for x
    x = 53,089,771,904.40/266,166.35
  6. Step 6: Final answer
    x = 199,460.87

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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.