Home / 198,810.22-298,402.16-104,108.37

Finding the Fourth Proportional to 198,810.22, 298,402.16 and 104,108.37

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Solution

The fourth proportional to 198,810.22, 298,402.16 and 104,108.37 is: 156,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,810.22 : 298,402.16 = 104,108.37 : x
  2. Step 2: Convert to fraction form
    198,810.22/298,402.16 = 104,108.37/x
  3. Step 3: Cross multiply
    198,810.22x = 298,402.16 × 104,108.37
  4. Step 4: Simplify right side
    198,810.22x = 31,066,162,482.08
  5. Step 5: Solve for x
    x = 31,066,162,482.08/198,810.22
  6. Step 6: Final answer
    x = 156,260.39

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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.