Home / 118,260.21-177,413.68-43,381.05

Finding the Fourth Proportional to 118,260.21, 177,413.68 and 43,381.05

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Solution

The fourth proportional to 118,260.21, 177,413.68 and 43,381.05 is: 65,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,260.21 : 177,413.68 = 43,381.05 : x
  2. Step 2: Convert to fraction form
    118,260.21/177,413.68 = 43,381.05/x
  3. Step 3: Cross multiply
    118,260.21x = 177,413.68 × 43,381.05
  4. Step 4: Simplify right side
    118,260.21x = 7,696,391,722.76
  5. Step 5: Solve for x
    x = 7,696,391,722.76/118,260.21
  6. Step 6: Final answer
    x = 65,080.15

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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.