Home / 197,237.20-295,855.80-126,378.40

Finding the Fourth Proportional to 197,237.20, 295,855.80 and 126,378.40

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Solution

The fourth proportional to 197,237.20, 295,855.80 and 126,378.40 is: 189,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,237.20 : 295,855.80 = 126,378.40 : x
  2. Step 2: Convert to fraction form
    197,237.20/295,855.80 = 126,378.40/x
  3. Step 3: Cross multiply
    197,237.20x = 295,855.80 × 126,378.40
  4. Step 4: Simplify right side
    197,237.20x = 37,389,782,634.72
  5. Step 5: Solve for x
    x = 37,389,782,634.72/197,237.20
  6. Step 6: Final answer
    x = 189,567.60

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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.