Home / 197,515.59-296,439.30-85,280.64

Finding the Fourth Proportional to 197,515.59, 296,439.30 and 85,280.64

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Solution

The fourth proportional to 197,515.59, 296,439.30 and 85,280.64 is: 127,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,515.59 : 296,439.30 = 85,280.64 : x
  2. Step 2: Convert to fraction form
    197,515.59/296,439.30 = 85,280.64/x
  3. Step 3: Cross multiply
    197,515.59x = 296,439.30 × 85,280.64
  4. Step 4: Simplify right side
    197,515.59x = 25,280,533,225.15
  5. Step 5: Solve for x
    x = 25,280,533,225.15/197,515.59
  6. Step 6: Final answer
    x = 127,992.60

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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.