Home / 197,140.80-295,711.20-118,214.40

Finding the Fourth Proportional to 197,140.80, 295,711.20 and 118,214.40

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Solution

The fourth proportional to 197,140.80, 295,711.20 and 118,214.40 is: 177,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,140.80 : 295,711.20 = 118,214.40 : x
  2. Step 2: Convert to fraction form
    197,140.80/295,711.20 = 118,214.40/x
  3. Step 3: Cross multiply
    197,140.80x = 295,711.20 × 118,214.40
  4. Step 4: Simplify right side
    197,140.80x = 34,957,322,081.28
  5. Step 5: Solve for x
    x = 34,957,322,081.28/197,140.80
  6. Step 6: Final answer
    x = 177,321.60

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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.