Home / 146,368.21-201,982.98-82,704.64

Finding the Fourth Proportional to 146,368.21, 201,982.98 and 82,704.64

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Solution

The fourth proportional to 146,368.21, 201,982.98 and 82,704.64 is: 114,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,368.21 : 201,982.98 = 82,704.64 : x
  2. Step 2: Convert to fraction form
    146,368.21/201,982.98 = 82,704.64/x
  3. Step 3: Cross multiply
    146,368.21x = 201,982.98 × 82,704.64
  4. Step 4: Simplify right side
    146,368.21x = 16,704,928,637.11
  5. Step 5: Solve for x
    x = 16,704,928,637.11/146,368.21
  6. Step 6: Final answer
    x = 114,129.49

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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.