Home / 104,200.64-155,593.60-82,902.44

Finding the Fourth Proportional to 104,200.64, 155,593.60 and 82,902.44

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Solution

The fourth proportional to 104,200.64, 155,593.60 and 82,902.44 is: 123,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,200.64 : 155,593.60 = 82,902.44 : x
  2. Step 2: Convert to fraction form
    104,200.64/155,593.60 = 82,902.44/x
  3. Step 3: Cross multiply
    104,200.64x = 155,593.60 × 82,902.44
  4. Step 4: Simplify right side
    104,200.64x = 12,899,089,088.38
  5. Step 5: Solve for x
    x = 12,899,089,088.38/104,200.64
  6. Step 6: Final answer
    x = 123,790.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.