Home / 199,144.47-274,693.80-118,511.81

Finding the Fourth Proportional to 199,144.47, 274,693.80 and 118,511.81

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Solution

The fourth proportional to 199,144.47, 274,693.80 and 118,511.81 is: 163,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,144.47 : 274,693.80 = 118,511.81 : x
  2. Step 2: Convert to fraction form
    199,144.47/274,693.80 = 118,511.81/x
  3. Step 3: Cross multiply
    199,144.47x = 274,693.80 × 118,511.81
  4. Step 4: Simplify right side
    199,144.47x = 32,554,458,868.20
  5. Step 5: Solve for x
    x = 32,554,458,868.20/199,144.47
  6. Step 6: Final answer
    x = 163,471.57

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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.