Home / 109,741.40-164,513.55-43,226.90

Finding the Fourth Proportional to 109,741.40, 164,513.55 and 43,226.90

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Solution

The fourth proportional to 109,741.40, 164,513.55 and 43,226.90 is: 64,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,741.40 : 164,513.55 = 43,226.90 : x
  2. Step 2: Convert to fraction form
    109,741.40/164,513.55 = 43,226.90/x
  3. Step 3: Cross multiply
    109,741.40x = 164,513.55 × 43,226.90
  4. Step 4: Simplify right side
    109,741.40x = 7,111,410,774.50
  5. Step 5: Solve for x
    x = 7,111,410,774.50/109,741.40
  6. Step 6: Final answer
    x = 64,801.53

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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.