Home / 147,128.81-203,028.93-82,593.27

Finding the Fourth Proportional to 147,128.81, 203,028.93 and 82,593.27

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Solution

The fourth proportional to 147,128.81, 203,028.93 and 82,593.27 is: 113,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,128.81 : 203,028.93 = 82,593.27 : x
  2. Step 2: Convert to fraction form
    147,128.81/203,028.93 = 82,593.27/x
  3. Step 3: Cross multiply
    147,128.81x = 203,028.93 × 82,593.27
  4. Step 4: Simplify right side
    147,128.81x = 16,768,823,233.30
  5. Step 5: Solve for x
    x = 16,768,823,233.30/147,128.81
  6. Step 6: Final answer
    x = 113,973.76

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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.