Home / 118,211.32-177,163.78-48,009.08

Finding the Fourth Proportional to 118,211.32, 177,163.78 and 48,009.08

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Solution

The fourth proportional to 118,211.32, 177,163.78 and 48,009.08 is: 71,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,211.32 : 177,163.78 = 48,009.08 : x
  2. Step 2: Convert to fraction form
    118,211.32/177,163.78 = 48,009.08/x
  3. Step 3: Cross multiply
    118,211.32x = 177,163.78 × 48,009.08
  4. Step 4: Simplify right side
    118,211.32x = 8,505,470,087.12
  5. Step 5: Solve for x
    x = 8,505,470,087.12/118,211.32
  6. Step 6: Final answer
    x = 71,951.40

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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.