Home / 112,069.40-168,195.90-111,194.60

Finding the Fourth Proportional to 112,069.40, 168,195.90 and 111,194.60

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Solution

The fourth proportional to 112,069.40, 168,195.90 and 111,194.60 is: 166,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,069.40 : 168,195.90 = 111,194.60 : x
  2. Step 2: Convert to fraction form
    112,069.40/168,195.90 = 111,194.60/x
  3. Step 3: Cross multiply
    112,069.40x = 168,195.90 × 111,194.60
  4. Step 4: Simplify right side
    112,069.40x = 18,702,475,822.14
  5. Step 5: Solve for x
    x = 18,702,475,822.14/112,069.40
  6. Step 6: Final answer
    x = 166,882.98

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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.