Home / 112,061.40-168,092.10-80,568.60

Finding the Fourth Proportional to 112,061.40, 168,092.10 and 80,568.60

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Solution

The fourth proportional to 112,061.40, 168,092.10 and 80,568.60 is: 120,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,061.40 : 168,092.10 = 80,568.60 : x
  2. Step 2: Convert to fraction form
    112,061.40/168,092.10 = 80,568.60/x
  3. Step 3: Cross multiply
    112,061.40x = 168,092.10 × 80,568.60
  4. Step 4: Simplify right side
    112,061.40x = 13,542,945,168.06
  5. Step 5: Solve for x
    x = 13,542,945,168.06/112,061.40
  6. Step 6: Final answer
    x = 120,852.90

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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.