Home / 207,544.20-311,316.30-189,173.40

Finding the Fourth Proportional to 207,544.20, 311,316.30 and 189,173.40

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Solution

The fourth proportional to 207,544.20, 311,316.30 and 189,173.40 is: 283,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,544.20 : 311,316.30 = 189,173.40 : x
  2. Step 2: Convert to fraction form
    207,544.20/311,316.30 = 189,173.40/x
  3. Step 3: Cross multiply
    207,544.20x = 311,316.30 × 189,173.40
  4. Step 4: Simplify right side
    207,544.20x = 58,892,762,946.42
  5. Step 5: Solve for x
    x = 58,892,762,946.42/207,544.20
  6. Step 6: Final answer
    x = 283,760.10

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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.