Home / 134,198.10-201,285.54-45,449.64

Finding the Fourth Proportional to 134,198.10, 201,285.54 and 45,449.64

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Solution

The fourth proportional to 134,198.10, 201,285.54 and 45,449.64 is: 68,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,198.10 : 201,285.54 = 45,449.64 : x
  2. Step 2: Convert to fraction form
    134,198.10/201,285.54 = 45,449.64/x
  3. Step 3: Cross multiply
    134,198.10x = 201,285.54 × 45,449.64
  4. Step 4: Simplify right side
    134,198.10x = 9,148,355,330.21
  5. Step 5: Solve for x
    x = 9,148,355,330.21/134,198.10
  6. Step 6: Final answer
    x = 68,170.53

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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.