Home / 198,705.07-298,094.59-92,018.59

Finding the Fourth Proportional to 198,705.07, 298,094.59 and 92,018.59

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Solution

The fourth proportional to 198,705.07, 298,094.59 and 92,018.59 is: 138,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,705.07 : 298,094.59 = 92,018.59 : x
  2. Step 2: Convert to fraction form
    198,705.07/298,094.59 = 92,018.59/x
  3. Step 3: Cross multiply
    198,705.07x = 298,094.59 × 92,018.59
  4. Step 4: Simplify right side
    198,705.07x = 27,430,245,453.59
  5. Step 5: Solve for x
    x = 27,430,245,453.59/198,705.07
  6. Step 6: Final answer
    x = 138,045.02

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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.