Home / 122,049.05-168,447.74-83,777.04

Finding the Fourth Proportional to 122,049.05, 168,447.74 and 83,777.04

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Solution

The fourth proportional to 122,049.05, 168,447.74 and 83,777.04 is: 115,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,049.05 : 168,447.74 = 83,777.04 : x
  2. Step 2: Convert to fraction form
    122,049.05/168,447.74 = 83,777.04/x
  3. Step 3: Cross multiply
    122,049.05x = 168,447.74 × 83,777.04
  4. Step 4: Simplify right side
    122,049.05x = 14,112,052,633.00
  5. Step 5: Solve for x
    x = 14,112,052,633.00/122,049.05
  6. Step 6: Final answer
    x = 115,626.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.