Home / 148,005.21-221,957.56-48,140.64

Finding the Fourth Proportional to 148,005.21, 221,957.56 and 48,140.64

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Solution

The fourth proportional to 148,005.21, 221,957.56 and 48,140.64 is: 72,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,005.21 : 221,957.56 = 48,140.64 : x
  2. Step 2: Convert to fraction form
    148,005.21/221,957.56 = 48,140.64/x
  3. Step 3: Cross multiply
    148,005.21x = 221,957.56 × 48,140.64
  4. Step 4: Simplify right side
    148,005.21x = 10,685,178,991.24
  5. Step 5: Solve for x
    x = 10,685,178,991.24/148,005.21
  6. Step 6: Final answer
    x = 72,194.61

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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.