Home / 146,028.81-201,516.12-82,361.60

Finding the Fourth Proportional to 146,028.81, 201,516.12 and 82,361.60

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Solution

The fourth proportional to 146,028.81, 201,516.12 and 82,361.60 is: 113,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,028.81 : 201,516.12 = 82,361.60 : x
  2. Step 2: Convert to fraction form
    146,028.81/201,516.12 = 82,361.60/x
  3. Step 3: Cross multiply
    146,028.81x = 201,516.12 × 82,361.60
  4. Step 4: Simplify right side
    146,028.81x = 16,597,190,068.99
  5. Step 5: Solve for x
    x = 16,597,190,068.99/146,028.81
  6. Step 6: Final answer
    x = 113,656.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.