Home / 197,326.20-295,989.30-86,518.20

Finding the Fourth Proportional to 197,326.20, 295,989.30 and 86,518.20

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Solution

The fourth proportional to 197,326.20, 295,989.30 and 86,518.20 is: 129,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,326.20 : 295,989.30 = 86,518.20 : x
  2. Step 2: Convert to fraction form
    197,326.20/295,989.30 = 86,518.20/x
  3. Step 3: Cross multiply
    197,326.20x = 295,989.30 × 86,518.20
  4. Step 4: Simplify right side
    197,326.20x = 25,608,461,455.26
  5. Step 5: Solve for x
    x = 25,608,461,455.26/197,326.20
  6. Step 6: Final answer
    x = 129,777.30

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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.