Home / 198,848.04-274,305.69-118,218.21

Finding the Fourth Proportional to 198,848.04, 274,305.69 and 118,218.21

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Solution

The fourth proportional to 198,848.04, 274,305.69 and 118,218.21 is: 163,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,848.04 : 274,305.69 = 118,218.21 : x
  2. Step 2: Convert to fraction form
    198,848.04/274,305.69 = 118,218.21/x
  3. Step 3: Cross multiply
    198,848.04x = 274,305.69 × 118,218.21
  4. Step 4: Simplify right side
    198,848.04x = 32,427,927,664.61
  5. Step 5: Solve for x
    x = 32,427,927,664.61/198,848.04
  6. Step 6: Final answer
    x = 163,078.94

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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.