Home / 263,608.41-363,778.95-142,749.72

Finding the Fourth Proportional to 263,608.41, 363,778.95 and 142,749.72

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Solution

The fourth proportional to 263,608.41, 363,778.95 and 142,749.72 is: 196,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,608.41 : 363,778.95 = 142,749.72 : x
  2. Step 2: Convert to fraction form
    263,608.41/363,778.95 = 142,749.72/x
  3. Step 3: Cross multiply
    263,608.41x = 363,778.95 × 142,749.72
  4. Step 4: Simplify right side
    263,608.41x = 51,929,343,254.39
  5. Step 5: Solve for x
    x = 51,929,343,254.39/263,608.41
  6. Step 6: Final answer
    x = 196,994.26

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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.