Home / 205,364.56-307,729.32-160,279.04

Finding the Fourth Proportional to 205,364.56, 307,729.32 and 160,279.04

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Solution

The fourth proportional to 205,364.56, 307,729.32 and 160,279.04 is: 240,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,364.56 : 307,729.32 = 160,279.04 : x
  2. Step 2: Convert to fraction form
    205,364.56/307,729.32 = 160,279.04/x
  3. Step 3: Cross multiply
    205,364.56x = 307,729.32 × 160,279.04
  4. Step 4: Simplify right side
    205,364.56x = 49,322,559,989.45
  5. Step 5: Solve for x
    x = 49,322,559,989.45/205,364.56
  6. Step 6: Final answer
    x = 240,170.75

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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.