Home / 130,879.49-196,323.29-36,111.32

Finding the Fourth Proportional to 130,879.49, 196,323.29 and 36,111.32

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Solution

The fourth proportional to 130,879.49, 196,323.29 and 36,111.32 is: 54,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,879.49 : 196,323.29 = 36,111.32 : x
  2. Step 2: Convert to fraction form
    130,879.49/196,323.29 = 36,111.32/x
  3. Step 3: Cross multiply
    130,879.49x = 196,323.29 × 36,111.32
  4. Step 4: Simplify right side
    130,879.49x = 7,089,491,986.47
  5. Step 5: Solve for x
    x = 7,089,491,986.47/130,879.49
  6. Step 6: Final answer
    x = 54,168.09

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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.