Home / 148,020.96-204,271.92-80,957.28

Finding the Fourth Proportional to 148,020.96, 204,271.92 and 80,957.28

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Solution

The fourth proportional to 148,020.96, 204,271.92 and 80,957.28 is: 111,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,020.96 : 204,271.92 = 80,957.28 : x
  2. Step 2: Convert to fraction form
    148,020.96/204,271.92 = 80,957.28/x
  3. Step 3: Cross multiply
    148,020.96x = 204,271.92 × 80,957.28
  4. Step 4: Simplify right side
    148,020.96x = 16,537,299,023.58
  5. Step 5: Solve for x
    x = 16,537,299,023.58/148,020.96
  6. Step 6: Final answer
    x = 111,722.68

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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.