Home / 145,791.96-201,192.03-82,150.26

Finding the Fourth Proportional to 145,791.96, 201,192.03 and 82,150.26

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Solution

The fourth proportional to 145,791.96, 201,192.03 and 82,150.26 is: 113,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,791.96 : 201,192.03 = 82,150.26 : x
  2. Step 2: Convert to fraction form
    145,791.96/201,192.03 = 82,150.26/x
  3. Step 3: Cross multiply
    145,791.96x = 201,192.03 × 82,150.26
  4. Step 4: Simplify right side
    145,791.96x = 16,527,977,574.43
  5. Step 5: Solve for x
    x = 16,527,977,574.43/145,791.96
  6. Step 6: Final answer
    x = 113,366.87

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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.