Home / 235,138.14-324,494.51-127,708.25

Finding the Fourth Proportional to 235,138.14, 324,494.51 and 127,708.25

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Solution

The fourth proportional to 235,138.14, 324,494.51 and 127,708.25 is: 176,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,138.14 : 324,494.51 = 127,708.25 : x
  2. Step 2: Convert to fraction form
    235,138.14/324,494.51 = 127,708.25/x
  3. Step 3: Cross multiply
    235,138.14x = 324,494.51 × 127,708.25
  4. Step 4: Simplify right side
    235,138.14x = 41,440,623,745.69
  5. Step 5: Solve for x
    x = 41,440,623,745.69/235,138.14
  6. Step 6: Final answer
    x = 176,239.48

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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.