Home / 110,309.08-165,408.96-39,221.07

Finding the Fourth Proportional to 110,309.08, 165,408.96 and 39,221.07

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Solution

The fourth proportional to 110,309.08, 165,408.96 and 39,221.07 is: 58,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309.08 : 165,408.96 = 39,221.07 : x
  2. Step 2: Convert to fraction form
    110,309.08/165,408.96 = 39,221.07/x
  3. Step 3: Cross multiply
    110,309.08x = 165,408.96 × 39,221.07
  4. Step 4: Simplify right side
    110,309.08x = 6,487,515,571.74
  5. Step 5: Solve for x
    x = 6,487,515,571.74/110,309.08
  6. Step 6: Final answer
    x = 58,812.16

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1.5x scale

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.