Home / 197,150.60-295,725.90-78,840.20

Finding the Fourth Proportional to 197,150.60, 295,725.90 and 78,840.20

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Solution

The fourth proportional to 197,150.60, 295,725.90 and 78,840.20 is: 118,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,150.60 : 295,725.90 = 78,840.20 : x
  2. Step 2: Convert to fraction form
    197,150.60/295,725.90 = 78,840.20/x
  3. Step 3: Cross multiply
    197,150.60x = 295,725.90 × 78,840.20
  4. Step 4: Simplify right side
    197,150.60x = 23,315,089,101.18
  5. Step 5: Solve for x
    x = 23,315,089,101.18/197,150.60
  6. Step 6: Final answer
    x = 118,260.30

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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.