Home / 133,048.26-199,466.37-76,824.59

Finding the Fourth Proportional to 133,048.26, 199,466.37 and 76,824.59

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Solution

The fourth proportional to 133,048.26, 199,466.37 and 76,824.59 is: 115,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.26 : 199,466.37 = 76,824.59 : x
  2. Step 2: Convert to fraction form
    133,048.26/199,466.37 = 76,824.59/x
  3. Step 3: Cross multiply
    133,048.26x = 199,466.37 × 76,824.59
  4. Step 4: Simplify right side
    133,048.26x = 15,323,922,094.04
  5. Step 5: Solve for x
    x = 15,323,922,094.04/133,048.26
  6. Step 6: Final answer
    x = 115,175.67

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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.