Home / 198,055.72-296,625.93-118,995.67

Finding the Fourth Proportional to 198,055.72, 296,625.93 and 118,995.67

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Solution

The fourth proportional to 198,055.72, 296,625.93 and 118,995.67 is: 178,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,055.72 : 296,625.93 = 118,995.67 : x
  2. Step 2: Convert to fraction form
    198,055.72/296,625.93 = 118,995.67/x
  3. Step 3: Cross multiply
    198,055.72x = 296,625.93 × 118,995.67
  4. Step 4: Simplify right side
    198,055.72x = 35,297,201,279.72
  5. Step 5: Solve for x
    x = 35,297,201,279.72/198,055.72
  6. Step 6: Final answer
    x = 178,218.54

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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.