Home / 112,181.78-168,253.22-29,075.78

Finding the Fourth Proportional to 112,181.78, 168,253.22 and 29,075.78

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Solution

The fourth proportional to 112,181.78, 168,253.22 and 29,075.78 is: 43,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181.78 : 168,253.22 = 29,075.78 : x
  2. Step 2: Convert to fraction form
    112,181.78/168,253.22 = 29,075.78/x
  3. Step 3: Cross multiply
    112,181.78x = 168,253.22 × 29,075.78
  4. Step 4: Simplify right side
    112,181.78x = 4,892,093,609.01
  5. Step 5: Solve for x
    x = 4,892,093,609.01/112,181.78
  6. Step 6: Final answer
    x = 43,608.63

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1.5x scale

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.