Home / 215,824.16-323,829.54-115,867.64

Finding the Fourth Proportional to 215,824.16, 323,829.54 and 115,867.64

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Solution

The fourth proportional to 215,824.16, 323,829.54 and 115,867.64 is: 173,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,824.16 : 323,829.54 = 115,867.64 : x
  2. Step 2: Convert to fraction form
    215,824.16/323,829.54 = 115,867.64/x
  3. Step 3: Cross multiply
    215,824.16x = 323,829.54 × 115,867.64
  4. Step 4: Simplify right side
    215,824.16x = 37,521,364,562.09
  5. Step 5: Solve for x
    x = 37,521,364,562.09/215,824.16
  6. Step 6: Final answer
    x = 173,851.55

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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.