Home / 220,949.08-330,805.98-119,383.24

Finding the Fourth Proportional to 220,949.08, 330,805.98 and 119,383.24

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Solution

The fourth proportional to 220,949.08, 330,805.98 and 119,383.24 is: 178,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,949.08 : 330,805.98 = 119,383.24 : x
  2. Step 2: Convert to fraction form
    220,949.08/330,805.98 = 119,383.24/x
  3. Step 3: Cross multiply
    220,949.08x = 330,805.98 × 119,383.24
  4. Step 4: Simplify right side
    220,949.08x = 39,492,689,703.78
  5. Step 5: Solve for x
    x = 39,492,689,703.78/220,949.08
  6. Step 6: Final answer
    x = 178,741.14

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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.