Home / 109,745.16-164,504.75-43,158.30

Finding the Fourth Proportional to 109,745.16, 164,504.75 and 43,158.30

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Solution

The fourth proportional to 109,745.16, 164,504.75 and 43,158.30 is: 64,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,745.16 : 164,504.75 = 43,158.30 : x
  2. Step 2: Convert to fraction form
    109,745.16/164,504.75 = 43,158.30/x
  3. Step 3: Cross multiply
    109,745.16x = 164,504.75 × 43,158.30
  4. Step 4: Simplify right side
    109,745.16x = 7,099,745,136.13
  5. Step 5: Solve for x
    x = 7,099,745,136.13/109,745.16
  6. Step 6: Final answer
    x = 64,693.01

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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.