Home / 183,519.40-275,279.10-120,736.30

Finding the Fourth Proportional to 183,519.40, 275,279.10 and 120,736.30

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Solution

The fourth proportional to 183,519.40, 275,279.10 and 120,736.30 is: 181,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,519.40 : 275,279.10 = 120,736.30 : x
  2. Step 2: Convert to fraction form
    183,519.40/275,279.10 = 120,736.30/x
  3. Step 3: Cross multiply
    183,519.40x = 275,279.10 × 120,736.30
  4. Step 4: Simplify right side
    183,519.40x = 33,236,180,001.33
  5. Step 5: Solve for x
    x = 33,236,180,001.33/183,519.40
  6. Step 6: Final answer
    x = 181,104.45

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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.