Home / 147,403.81-203,424.47-82,893.35

Finding the Fourth Proportional to 147,403.81, 203,424.47 and 82,893.35

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Solution

The fourth proportional to 147,403.81, 203,424.47 and 82,893.35 is: 114,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403.81 : 203,424.47 = 82,893.35 : x
  2. Step 2: Convert to fraction form
    147,403.81/203,424.47 = 82,893.35/x
  3. Step 3: Cross multiply
    147,403.81x = 203,424.47 × 82,893.35
  4. Step 4: Simplify right side
    147,403.81x = 16,862,535,790.27
  5. Step 5: Solve for x
    x = 16,862,535,790.27/147,403.81
  6. Step 6: Final answer
    x = 114,396.88

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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.