Home / 255,255.40-352,260.66-140,546.17

Finding the Fourth Proportional to 255,255.40, 352,260.66 and 140,546.17

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Solution

The fourth proportional to 255,255.40, 352,260.66 and 140,546.17 is: 193,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,255.40 : 352,260.66 = 140,546.17 : x
  2. Step 2: Convert to fraction form
    255,255.40/352,260.66 = 140,546.17/x
  3. Step 3: Cross multiply
    255,255.40x = 352,260.66 × 140,546.17
  4. Step 4: Simplify right side
    255,255.40x = 49,508,886,604.67
  5. Step 5: Solve for x
    x = 49,508,886,604.67/255,255.40
  6. Step 6: Final answer
    x = 193,958.23

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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.