Home / 199,147.20-274,810.32-118,580.64

Finding the Fourth Proportional to 199,147.20, 274,810.32 and 118,580.64

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Solution

The fourth proportional to 199,147.20, 274,810.32 and 118,580.64 is: 163,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,147.20 : 274,810.32 = 118,580.64 : x
  2. Step 2: Convert to fraction form
    199,147.20/274,810.32 = 118,580.64/x
  3. Step 3: Cross multiply
    199,147.20x = 274,810.32 × 118,580.64
  4. Step 4: Simplify right side
    199,147.20x = 32,587,183,624.20
  5. Step 5: Solve for x
    x = 32,587,183,624.20/199,147.20
  6. Step 6: Final answer
    x = 163,633.65

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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.