Home / 235,944.88-325,604.40-128,514.58

Finding the Fourth Proportional to 235,944.88, 325,604.40 and 128,514.58

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Solution

The fourth proportional to 235,944.88, 325,604.40 and 128,514.58 is: 177,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,944.88 : 325,604.40 = 128,514.58 : x
  2. Step 2: Convert to fraction form
    235,944.88/325,604.40 = 128,514.58/x
  3. Step 3: Cross multiply
    235,944.88x = 325,604.40 × 128,514.58
  4. Step 4: Simplify right side
    235,944.88x = 41,844,912,712.15
  5. Step 5: Solve for x
    x = 41,844,912,712.15/235,944.88
  6. Step 6: Final answer
    x = 177,350.37

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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.