Home / 111,322.50-166,589.58-69,222.41

Finding the Fourth Proportional to 111,322.50, 166,589.58 and 69,222.41

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Solution

The fourth proportional to 111,322.50, 166,589.58 and 69,222.41 is: 103,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,322.50 : 166,589.58 = 69,222.41 : x
  2. Step 2: Convert to fraction form
    111,322.50/166,589.58 = 69,222.41/x
  3. Step 3: Cross multiply
    111,322.50x = 166,589.58 × 69,222.41
  4. Step 4: Simplify right side
    111,322.50x = 11,531,731,870.46
  5. Step 5: Solve for x
    x = 11,531,731,870.46/111,322.50
  6. Step 6: Final answer
    x = 103,588.51

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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.