Home / 207,903.18-311,893.23-65,784.24

Finding the Fourth Proportional to 207,903.18, 311,893.23 and 65,784.24

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Solution

The fourth proportional to 207,903.18, 311,893.23 and 65,784.24 is: 98,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,903.18 : 311,893.23 = 65,784.24 : x
  2. Step 2: Convert to fraction form
    207,903.18/311,893.23 = 65,784.24/x
  3. Step 3: Cross multiply
    207,903.18x = 311,893.23 × 65,784.24
  4. Step 4: Simplify right side
    207,903.18x = 20,517,659,096.70
  5. Step 5: Solve for x
    x = 20,517,659,096.70/207,903.18
  6. Step 6: Final answer
    x = 98,688.53

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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.