Home / 148,110.48-221,886.72-73,142.88

Finding the Fourth Proportional to 148,110.48, 221,886.72 and 73,142.88

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Solution

The fourth proportional to 148,110.48, 221,886.72 and 73,142.88 is: 109,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,110.48 : 221,886.72 = 73,142.88 : x
  2. Step 2: Convert to fraction form
    148,110.48/221,886.72 = 73,142.88/x
  3. Step 3: Cross multiply
    148,110.48x = 221,886.72 × 73,142.88
  4. Step 4: Simplify right side
    148,110.48x = 16,229,433,734.55
  5. Step 5: Solve for x
    x = 16,229,433,734.55/148,110.48
  6. Step 6: Final answer
    x = 109,576.54

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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.