Home / 199,163.76-274,720.44-118,531.12

Finding the Fourth Proportional to 199,163.76, 274,720.44 and 118,531.12

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Solution

The fourth proportional to 199,163.76, 274,720.44 and 118,531.12 is: 163,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,163.76 : 274,720.44 = 118,531.12 : x
  2. Step 2: Convert to fraction form
    199,163.76/274,720.44 = 118,531.12/x
  3. Step 3: Cross multiply
    199,163.76x = 274,720.44 × 118,531.12
  4. Step 4: Simplify right side
    199,163.76x = 32,562,921,440.09
  5. Step 5: Solve for x
    x = 32,562,921,440.09/199,163.76
  6. Step 6: Final answer
    x = 163,498.23

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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.