Home / 198,670.08-298,296.72-124,107.96

Finding the Fourth Proportional to 198,670.08, 298,296.72 and 124,107.96

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Solution

The fourth proportional to 198,670.08, 298,296.72 and 124,107.96 is: 186,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,670.08 : 298,296.72 = 124,107.96 : x
  2. Step 2: Convert to fraction form
    198,670.08/298,296.72 = 124,107.96/x
  3. Step 3: Cross multiply
    198,670.08x = 298,296.72 × 124,107.96
  4. Step 4: Simplify right side
    198,670.08x = 37,020,997,393.89
  5. Step 5: Solve for x
    x = 37,020,997,393.89/198,670.08
  6. Step 6: Final answer
    x = 186,344.10

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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.