Home / 126,992.37-190,492.47-38,246.52

Finding the Fourth Proportional to 126,992.37, 190,492.47 and 38,246.52

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Solution

The fourth proportional to 126,992.37, 190,492.47 and 38,246.52 is: 57,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,992.37 : 190,492.47 = 38,246.52 : x
  2. Step 2: Convert to fraction form
    126,992.37/190,492.47 = 38,246.52/x
  3. Step 3: Cross multiply
    126,992.37x = 190,492.47 × 38,246.52
  4. Step 4: Simplify right side
    126,992.37x = 7,285,674,063.70
  5. Step 5: Solve for x
    x = 7,285,674,063.70/126,992.37
  6. Step 6: Final answer
    x = 57,370.96

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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.