Home / 254,524.78-381,346.16-154,475.33

Finding the Fourth Proportional to 254,524.78, 381,346.16 and 154,475.33

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Solution

The fourth proportional to 254,524.78, 381,346.16 and 154,475.33 is: 231,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,524.78 : 381,346.16 = 154,475.33 : x
  2. Step 2: Convert to fraction form
    254,524.78/381,346.16 = 154,475.33/x
  3. Step 3: Cross multiply
    254,524.78x = 381,346.16 × 154,475.33
  4. Step 4: Simplify right side
    254,524.78x = 58,908,575,249.79
  5. Step 5: Solve for x
    x = 58,908,575,249.79/254,524.78
  6. Step 6: Final answer
    x = 231,445.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.