Home / 201,022.30-301,424.10-82,705.60

Finding the Fourth Proportional to 201,022.30, 301,424.10 and 82,705.60

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Solution

The fourth proportional to 201,022.30, 301,424.10 and 82,705.60 is: 124,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,022.30 : 301,424.10 = 82,705.60 : x
  2. Step 2: Convert to fraction form
    201,022.30/301,424.10 = 82,705.60/x
  3. Step 3: Cross multiply
    201,022.30x = 301,424.10 × 82,705.60
  4. Step 4: Simplify right side
    201,022.30x = 24,929,461,044.96
  5. Step 5: Solve for x
    x = 24,929,461,044.96/201,022.30
  6. Step 6: Final answer
    x = 124,013.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.