Home / 225,774.46-311,572.25-123,809.23

Finding the Fourth Proportional to 225,774.46, 311,572.25 and 123,809.23

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Solution

The fourth proportional to 225,774.46, 311,572.25 and 123,809.23 is: 170,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,774.46 : 311,572.25 = 123,809.23 : x
  2. Step 2: Convert to fraction form
    225,774.46/311,572.25 = 123,809.23/x
  3. Step 3: Cross multiply
    225,774.46x = 311,572.25 × 123,809.23
  4. Step 4: Simplify right side
    225,774.46x = 38,575,520,361.87
  5. Step 5: Solve for x
    x = 38,575,520,361.87/225,774.46
  6. Step 6: Final answer
    x = 170,858.65

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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.