Home / 198,844.49-274,314.65-118,226.13

Finding the Fourth Proportional to 198,844.49, 274,314.65 and 118,226.13

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Solution

The fourth proportional to 198,844.49, 274,314.65 and 118,226.13 is: 163,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,844.49 : 274,314.65 = 118,226.13 : x
  2. Step 2: Convert to fraction form
    198,844.49/274,314.65 = 118,226.13/x
  3. Step 3: Cross multiply
    198,844.49x = 274,314.65 × 118,226.13
  4. Step 4: Simplify right side
    198,844.49x = 32,431,158,880.67
  5. Step 5: Solve for x
    x = 32,431,158,880.67/198,844.49
  6. Step 6: Final answer
    x = 163,098.11

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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.