Home / 263,077.78-362,958.50-149,820.34

Finding the Fourth Proportional to 263,077.78, 362,958.50 and 149,820.34

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Solution

The fourth proportional to 263,077.78, 362,958.50 and 149,820.34 is: 206,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,077.78 : 362,958.50 = 149,820.34 : x
  2. Step 2: Convert to fraction form
    263,077.78/362,958.50 = 149,820.34/x
  3. Step 3: Cross multiply
    263,077.78x = 362,958.50 × 149,820.34
  4. Step 4: Simplify right side
    263,077.78x = 54,378,565,875.89
  5. Step 5: Solve for x
    x = 54,378,565,875.89/263,077.78
  6. Step 6: Final answer
    x = 206,701.48

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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.