Home / 225,533.45-311,236.14-123,562.53

Finding the Fourth Proportional to 225,533.45, 311,236.14 and 123,562.53

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Solution

The fourth proportional to 225,533.45, 311,236.14 and 123,562.53 is: 170,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,533.45 : 311,236.14 = 123,562.53 : x
  2. Step 2: Convert to fraction form
    225,533.45/311,236.14 = 123,562.53/x
  3. Step 3: Cross multiply
    225,533.45x = 311,236.14 × 123,562.53
  4. Step 4: Simplify right side
    225,533.45x = 38,457,122,711.84
  5. Step 5: Solve for x
    x = 38,457,122,711.84/225,533.45
  6. Step 6: Final answer
    x = 170,516.27

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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.