Home / 198,801.29-274,325.27-118,213.25

Finding the Fourth Proportional to 198,801.29, 274,325.27 and 118,213.25

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Solution

The fourth proportional to 198,801.29, 274,325.27 and 118,213.25 is: 163,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,801.29 : 274,325.27 = 118,213.25 : x
  2. Step 2: Convert to fraction form
    198,801.29/274,325.27 = 118,213.25/x
  3. Step 3: Cross multiply
    198,801.29x = 274,325.27 × 118,213.25
  4. Step 4: Simplify right side
    198,801.29x = 32,428,879,761.13
  5. Step 5: Solve for x
    x = 32,428,879,761.13/198,801.29
  6. Step 6: Final answer
    x = 163,122.08

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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.