Home / 120,244.80-180,383.40-41,383.20

Finding the Fourth Proportional to 120,244.80, 180,383.40 and 41,383.20

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Solution

The fourth proportional to 120,244.80, 180,383.40 and 41,383.20 is: 62,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,244.80 : 180,383.40 = 41,383.20 : x
  2. Step 2: Convert to fraction form
    120,244.80/180,383.40 = 41,383.20/x
  3. Step 3: Cross multiply
    120,244.80x = 180,383.40 × 41,383.20
  4. Step 4: Simplify right side
    120,244.80x = 7,464,842,318.88
  5. Step 5: Solve for x
    x = 7,464,842,318.88/120,244.80
  6. Step 6: Final answer
    x = 62,080.38

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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.