Home / 198,194.10-297,336.58-85,893.18

Finding the Fourth Proportional to 198,194.10, 297,336.58 and 85,893.18

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Solution

The fourth proportional to 198,194.10, 297,336.58 and 85,893.18 is: 128,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,194.10 : 297,336.58 = 85,893.18 : x
  2. Step 2: Convert to fraction form
    198,194.10/297,336.58 = 85,893.18/x
  3. Step 3: Cross multiply
    198,194.10x = 297,336.58 × 85,893.18
  4. Step 4: Simplify right side
    198,194.10x = 25,539,184,386.52
  5. Step 5: Solve for x
    x = 25,539,184,386.52/198,194.10
  6. Step 6: Final answer
    x = 128,859.46

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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.