Home / 203,310.07-280,568.54-112,667.52

Finding the Fourth Proportional to 203,310.07, 280,568.54 and 112,667.52

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Solution

The fourth proportional to 203,310.07, 280,568.54 and 112,667.52 is: 155,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,310.07 : 280,568.54 = 112,667.52 : x
  2. Step 2: Convert to fraction form
    203,310.07/280,568.54 = 112,667.52/x
  3. Step 3: Cross multiply
    203,310.07x = 280,568.54 × 112,667.52
  4. Step 4: Simplify right side
    203,310.07x = 31,610,962,925.62
  5. Step 5: Solve for x
    x = 31,610,962,925.62/203,310.07
  6. Step 6: Final answer
    x = 155,481.54

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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.