Home / 109,681.94-164,588.44-100,758.98

Finding the Fourth Proportional to 109,681.94, 164,588.44 and 100,758.98

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Solution

The fourth proportional to 109,681.94, 164,588.44 and 100,758.98 is: 151,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,681.94 : 164,588.44 = 100,758.98 : x
  2. Step 2: Convert to fraction form
    109,681.94/164,588.44 = 100,758.98/x
  3. Step 3: Cross multiply
    109,681.94x = 164,588.44 × 100,758.98
  4. Step 4: Simplify right side
    109,681.94x = 16,583,763,334.19
  5. Step 5: Solve for x
    x = 16,583,763,334.19/109,681.94
  6. Step 6: Final answer
    x = 151,198.67

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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.