Home / 112,186.53-168,150.60-45,553.50

Finding the Fourth Proportional to 112,186.53, 168,150.60 and 45,553.50

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Solution

The fourth proportional to 112,186.53, 168,150.60 and 45,553.50 is: 68,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,186.53 : 168,150.60 = 45,553.50 : x
  2. Step 2: Convert to fraction form
    112,186.53/168,150.60 = 45,553.50/x
  3. Step 3: Cross multiply
    112,186.53x = 168,150.60 × 45,553.50
  4. Step 4: Simplify right side
    112,186.53x = 7,659,848,357.10
  5. Step 5: Solve for x
    x = 7,659,848,357.10/112,186.53
  6. Step 6: Final answer
    x = 68,277.79

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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.