Home / 133,048.19-199,466.32-76,824.52

Finding the Fourth Proportional to 133,048.19, 199,466.32 and 76,824.52

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Solution

The fourth proportional to 133,048.19, 199,466.32 and 76,824.52 is: 115,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.19 : 199,466.32 = 76,824.52 : x
  2. Step 2: Convert to fraction form
    133,048.19/199,466.32 = 76,824.52/x
  3. Step 3: Cross multiply
    133,048.19x = 199,466.32 × 76,824.52
  4. Step 4: Simplify right side
    133,048.19x = 15,323,904,290.17
  5. Step 5: Solve for x
    x = 15,323,904,290.17/133,048.19
  6. Step 6: Final answer
    x = 115,175.59

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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.