Home / 126,257.06-174,234.75-69,668.44

Finding the Fourth Proportional to 126,257.06, 174,234.75 and 69,668.44

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Solution

The fourth proportional to 126,257.06, 174,234.75 and 69,668.44 is: 96,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,257.06 : 174,234.75 = 69,668.44 : x
  2. Step 2: Convert to fraction form
    126,257.06/174,234.75 = 69,668.44/x
  3. Step 3: Cross multiply
    126,257.06x = 174,234.75 × 69,668.44
  4. Step 4: Simplify right side
    126,257.06x = 12,138,662,529.45
  5. Step 5: Solve for x
    x = 12,138,662,529.45/126,257.06
  6. Step 6: Final answer
    x = 96,142.44

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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.