Home / 111,199.41-166,806.51-39,143.64

Finding the Fourth Proportional to 111,199.41, 166,806.51 and 39,143.64

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Solution

The fourth proportional to 111,199.41, 166,806.51 and 39,143.64 is: 58,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,199.41 : 166,806.51 = 39,143.64 : x
  2. Step 2: Convert to fraction form
    111,199.41/166,806.51 = 39,143.64/x
  3. Step 3: Cross multiply
    111,199.41x = 166,806.51 × 39,143.64
  4. Step 4: Simplify right side
    111,199.41x = 6,529,413,977.10
  5. Step 5: Solve for x
    x = 6,529,413,977.10/111,199.41
  6. Step 6: Final answer
    x = 58,718.06

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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.