Home / 198,848.56-274,320.32-118,230.28

Finding the Fourth Proportional to 198,848.56, 274,320.32 and 118,230.28

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Solution

The fourth proportional to 198,848.56, 274,320.32 and 118,230.28 is: 163,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,848.56 : 274,320.32 = 118,230.28 : x
  2. Step 2: Convert to fraction form
    198,848.56/274,320.32 = 118,230.28/x
  3. Step 3: Cross multiply
    198,848.56x = 274,320.32 × 118,230.28
  4. Step 4: Simplify right side
    198,848.56x = 32,432,968,243.29
  5. Step 5: Solve for x
    x = 32,432,968,243.29/198,848.56
  6. Step 6: Final answer
    x = 163,103.86

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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.