Home / 214,720.86-296,338.47-122,848.68

Finding the Fourth Proportional to 214,720.86, 296,338.47 and 122,848.68

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Solution

The fourth proportional to 214,720.86, 296,338.47 and 122,848.68 is: 169,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,720.86 : 296,338.47 = 122,848.68 : x
  2. Step 2: Convert to fraction form
    214,720.86/296,338.47 = 122,848.68/x
  3. Step 3: Cross multiply
    214,720.86x = 296,338.47 × 122,848.68
  4. Step 4: Simplify right side
    214,720.86x = 36,404,789,872.72
  5. Step 5: Solve for x
    x = 36,404,789,872.72/214,720.86
  6. Step 6: Final answer
    x = 169,544.73

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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.