Home / 198,702.92-274,071.04-130,698.16

Finding the Fourth Proportional to 198,702.92, 274,071.04 and 130,698.16

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Solution

The fourth proportional to 198,702.92, 274,071.04 and 130,698.16 is: 180,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,702.92 : 274,071.04 = 130,698.16 : x
  2. Step 2: Convert to fraction form
    198,702.92/274,071.04 = 130,698.16/x
  3. Step 3: Cross multiply
    198,702.92x = 274,071.04 × 130,698.16
  4. Step 4: Simplify right side
    198,702.92x = 35,820,580,360.54
  5. Step 5: Solve for x
    x = 35,820,580,360.54/198,702.92
  6. Step 6: Final answer
    x = 180,272.04

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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.