Home / 120,514.08-180,788.04-50,377.44

Finding the Fourth Proportional to 120,514.08, 180,788.04 and 50,377.44

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Solution

The fourth proportional to 120,514.08, 180,788.04 and 50,377.44 is: 75,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,514.08 : 180,788.04 = 50,377.44 : x
  2. Step 2: Convert to fraction form
    120,514.08/180,788.04 = 50,377.44/x
  3. Step 3: Cross multiply
    120,514.08x = 180,788.04 × 50,377.44
  4. Step 4: Simplify right side
    120,514.08x = 9,107,638,637.82
  5. Step 5: Solve for x
    x = 9,107,638,637.82/120,514.08
  6. Step 6: Final answer
    x = 75,573.23

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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.