Home / 225,653.29-311,393.26-123,677.58

Finding the Fourth Proportional to 225,653.29, 311,393.26 and 123,677.58

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Solution

The fourth proportional to 225,653.29, 311,393.26 and 123,677.58 is: 170,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,653.29 : 311,393.26 = 123,677.58 : x
  2. Step 2: Convert to fraction form
    225,653.29/311,393.26 = 123,677.58/x
  3. Step 3: Cross multiply
    225,653.29x = 311,393.26 × 123,677.58
  4. Step 4: Simplify right side
    225,653.29x = 38,512,366,147.43
  5. Step 5: Solve for x
    x = 38,512,366,147.43/225,653.29
  6. Step 6: Final answer
    x = 170,670.53

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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.