Home / 197,199.45-295,585.88-78,740.60

Finding the Fourth Proportional to 197,199.45, 295,585.88 and 78,740.60

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Solution

The fourth proportional to 197,199.45, 295,585.88 and 78,740.60 is: 118,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,199.45 : 295,585.88 = 78,740.60 : x
  2. Step 2: Convert to fraction form
    197,199.45/295,585.88 = 78,740.60/x
  3. Step 3: Cross multiply
    197,199.45x = 295,585.88 × 78,740.60
  4. Step 4: Simplify right side
    197,199.45x = 23,274,607,671.10
  5. Step 5: Solve for x
    x = 23,274,607,671.10/197,199.45
  6. Step 6: Final answer
    x = 118,025.72

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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.