Home / 227,085.72-313,378.38-131,647.74

Finding the Fourth Proportional to 227,085.72, 313,378.38 and 131,647.74

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Solution

The fourth proportional to 227,085.72, 313,378.38 and 131,647.74 is: 181,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,085.72 : 313,378.38 = 131,647.74 : x
  2. Step 2: Convert to fraction form
    227,085.72/313,378.38 = 131,647.74/x
  3. Step 3: Cross multiply
    227,085.72x = 313,378.38 × 131,647.74
  4. Step 4: Simplify right side
    227,085.72x = 41,255,555,491.86
  5. Step 5: Solve for x
    x = 41,255,555,491.86/227,085.72
  6. Step 6: Final answer
    x = 181,673.93

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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.