Home / 123,631.44-185,481.72-40,583.76

Finding the Fourth Proportional to 123,631.44, 185,481.72 and 40,583.76

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Solution

The fourth proportional to 123,631.44, 185,481.72 and 40,583.76 is: 60,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,631.44 : 185,481.72 = 40,583.76 : x
  2. Step 2: Convert to fraction form
    123,631.44/185,481.72 = 40,583.76/x
  3. Step 3: Cross multiply
    123,631.44x = 185,481.72 × 40,583.76
  4. Step 4: Simplify right side
    123,631.44x = 7,527,545,608.87
  5. Step 5: Solve for x
    x = 7,527,545,608.87/123,631.44
  6. Step 6: Final answer
    x = 60,886.98

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1.5x scale

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.