Home / 120,581.33-180,993.63-106,633.13

Finding the Fourth Proportional to 120,581.33, 180,993.63 and 106,633.13

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Solution

The fourth proportional to 120,581.33, 180,993.63 and 106,633.13 is: 160,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,581.33 : 180,993.63 = 106,633.13 : x
  2. Step 2: Convert to fraction form
    120,581.33/180,993.63 = 106,633.13/x
  3. Step 3: Cross multiply
    120,581.33x = 180,993.63 × 106,633.13
  4. Step 4: Simplify right side
    120,581.33x = 19,299,917,276.96
  5. Step 5: Solve for x
    x = 19,299,917,276.96/120,581.33
  6. Step 6: Final answer
    x = 160,057.26

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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.