Home / 197,876.12-296,703.18-85,486.16

Finding the Fourth Proportional to 197,876.12, 296,703.18 and 85,486.16

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Solution

The fourth proportional to 197,876.12, 296,703.18 and 85,486.16 is: 128,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,876.12 : 296,703.18 = 85,486.16 : x
  2. Step 2: Convert to fraction form
    197,876.12/296,703.18 = 85,486.16/x
  3. Step 3: Cross multiply
    197,876.12x = 296,703.18 × 85,486.16
  4. Step 4: Simplify right side
    197,876.12x = 25,364,015,517.99
  5. Step 5: Solve for x
    x = 25,364,015,517.99/197,876.12
  6. Step 6: Final answer
    x = 128,181.29

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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.