Home / 197,324.20-295,986.30-86,516.20

Finding the Fourth Proportional to 197,324.20, 295,986.30 and 86,516.20

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Solution

The fourth proportional to 197,324.20, 295,986.30 and 86,516.20 is: 129,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,324.20 : 295,986.30 = 86,516.20 : x
  2. Step 2: Convert to fraction form
    197,324.20/295,986.30 = 86,516.20/x
  3. Step 3: Cross multiply
    197,324.20x = 295,986.30 × 86,516.20
  4. Step 4: Simplify right side
    197,324.20x = 25,607,609,928.06
  5. Step 5: Solve for x
    x = 25,607,609,928.06/197,324.20
  6. Step 6: Final answer
    x = 129,774.30

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1.5x scale

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.