Home / 180,826.90-270,981.15-133,069.30

Finding the Fourth Proportional to 180,826.90, 270,981.15 and 133,069.30

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Solution

The fourth proportional to 180,826.90, 270,981.15 and 133,069.30 is: 199,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,826.90 : 270,981.15 = 133,069.30 : x
  2. Step 2: Convert to fraction form
    180,826.90/270,981.15 = 133,069.30/x
  3. Step 3: Cross multiply
    180,826.90x = 270,981.15 × 133,069.30
  4. Step 4: Simplify right side
    180,826.90x = 36,059,271,943.70
  5. Step 5: Solve for x
    x = 36,059,271,943.70/180,826.90
  6. Step 6: Final answer
    x = 199,413.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.