Home / 197,105.40-295,317.90-91,708.20

Finding the Fourth Proportional to 197,105.40, 295,317.90 and 91,708.20

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Solution

The fourth proportional to 197,105.40, 295,317.90 and 91,708.20 is: 137,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.40 : 295,317.90 = 91,708.20 : x
  2. Step 2: Convert to fraction form
    197,105.40/295,317.90 = 91,708.20/x
  3. Step 3: Cross multiply
    197,105.40x = 295,317.90 × 91,708.20
  4. Step 4: Simplify right side
    197,105.40x = 27,083,073,036.78
  5. Step 5: Solve for x
    x = 27,083,073,036.78/197,105.40
  6. Step 6: Final answer
    x = 137,404.01

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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.