Home / 112,414.08-168,617.06-28,174.88

Finding the Fourth Proportional to 112,414.08, 168,617.06 and 28,174.88

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Solution

The fourth proportional to 112,414.08, 168,617.06 and 28,174.88 is: 42,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,414.08 : 168,617.06 = 28,174.88 : x
  2. Step 2: Convert to fraction form
    112,414.08/168,617.06 = 28,174.88/x
  3. Step 3: Cross multiply
    112,414.08x = 168,617.06 × 28,174.88
  4. Step 4: Simplify right side
    112,414.08x = 4,750,765,431.45
  5. Step 5: Solve for x
    x = 4,750,765,431.45/112,414.08
  6. Step 6: Final answer
    x = 42,261.30

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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.