Home / 185,971.37-256,668.54-113,416.36

Finding the Fourth Proportional to 185,971.37, 256,668.54 and 113,416.36

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Solution

The fourth proportional to 185,971.37, 256,668.54 and 113,416.36 is: 156,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,971.37 : 256,668.54 = 113,416.36 : x
  2. Step 2: Convert to fraction form
    185,971.37/256,668.54 = 113,416.36/x
  3. Step 3: Cross multiply
    185,971.37x = 256,668.54 × 113,416.36
  4. Step 4: Simplify right side
    185,971.37x = 29,110,410,891.64
  5. Step 5: Solve for x
    x = 29,110,410,891.64/185,971.37
  6. Step 6: Final answer
    x = 156,531.68

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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.