Home / 145,977.00-201,455.16-82,313.43

Finding the Fourth Proportional to 145,977.00, 201,455.16 and 82,313.43

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Solution

The fourth proportional to 145,977.00, 201,455.16 and 82,313.43 is: 113,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,977.00 : 201,455.16 = 82,313.43 : x
  2. Step 2: Convert to fraction form
    145,977.00/201,455.16 = 82,313.43/x
  3. Step 3: Cross multiply
    145,977.00x = 201,455.16 × 82,313.43
  4. Step 4: Simplify right side
    145,977.00x = 16,582,463,791.96
  5. Step 5: Solve for x
    x = 16,582,463,791.96/145,977.00
  6. Step 6: Final answer
    x = 113,596.42

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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.