Home / 111,200.41-166,808.01-39,144.64

Finding the Fourth Proportional to 111,200.41, 166,808.01 and 39,144.64

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Solution

The fourth proportional to 111,200.41, 166,808.01 and 39,144.64 is: 58,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,200.41 : 166,808.01 = 39,144.64 : x
  2. Step 2: Convert to fraction form
    111,200.41/166,808.01 = 39,144.64/x
  3. Step 3: Cross multiply
    111,200.41x = 166,808.01 × 39,144.64
  4. Step 4: Simplify right side
    111,200.41x = 6,529,639,500.57
  5. Step 5: Solve for x
    x = 6,529,639,500.57/111,200.41
  6. Step 6: Final answer
    x = 58,719.56

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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.