Home / 198,795.27-274,317.00-118,207.23

Finding the Fourth Proportional to 198,795.27, 274,317.00 and 118,207.23

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Solution

The fourth proportional to 198,795.27, 274,317.00 and 118,207.23 is: 163,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,795.27 : 274,317.00 = 118,207.23 : x
  2. Step 2: Convert to fraction form
    198,795.27/274,317.00 = 118,207.23/x
  3. Step 3: Cross multiply
    198,795.27x = 274,317.00 × 118,207.23
  4. Step 4: Simplify right side
    198,795.27x = 32,426,251,239.94
  5. Step 5: Solve for x
    x = 32,426,251,239.94/198,795.27
  6. Step 6: Final answer
    x = 163,113.79

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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.