Home / 203,025.45-304,516.30-53,280.75

Finding the Fourth Proportional to 203,025.45, 304,516.30 and 53,280.75

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Solution

The fourth proportional to 203,025.45, 304,516.30 and 53,280.75 is: 79,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,025.45 : 304,516.30 = 53,280.75 : x
  2. Step 2: Convert to fraction form
    203,025.45/304,516.30 = 53,280.75/x
  3. Step 3: Cross multiply
    203,025.45x = 304,516.30 × 53,280.75
  4. Step 4: Simplify right side
    203,025.45x = 16,224,856,851.23
  5. Step 5: Solve for x
    x = 16,224,856,851.23/203,025.45
  6. Step 6: Final answer
    x = 79,915.38

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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.