Home / 219,181.20-302,486.04-123,696.24

Finding the Fourth Proportional to 219,181.20, 302,486.04 and 123,696.24

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Solution

The fourth proportional to 219,181.20, 302,486.04 and 123,696.24 is: 170,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,181.20 : 302,486.04 = 123,696.24 : x
  2. Step 2: Convert to fraction form
    219,181.20/302,486.04 = 123,696.24/x
  3. Step 3: Cross multiply
    219,181.20x = 302,486.04 × 123,696.24
  4. Step 4: Simplify right side
    219,181.20x = 37,416,385,800.49
  5. Step 5: Solve for x
    x = 37,416,385,800.49/219,181.20
  6. Step 6: Final answer
    x = 170,709.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.