Home / 112,100.04-167,800.14-80,456.60

Finding the Fourth Proportional to 112,100.04, 167,800.14 and 80,456.60

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Solution

The fourth proportional to 112,100.04, 167,800.14 and 80,456.60 is: 120,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100.04 : 167,800.14 = 80,456.60 : x
  2. Step 2: Convert to fraction form
    112,100.04/167,800.14 = 80,456.60/x
  3. Step 3: Cross multiply
    112,100.04x = 167,800.14 × 80,456.60
  4. Step 4: Simplify right side
    112,100.04x = 13,500,628,743.92
  5. Step 5: Solve for x
    x = 13,500,628,743.92/112,100.04
  6. Step 6: Final answer
    x = 120,433.75

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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.