Home / 136,311.36-204,450.78-36,479.25

Finding the Fourth Proportional to 136,311.36, 204,450.78 and 36,479.25

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Solution

The fourth proportional to 136,311.36, 204,450.78 and 36,479.25 is: 54,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,311.36 : 204,450.78 = 36,479.25 : x
  2. Step 2: Convert to fraction form
    136,311.36/204,450.78 = 36,479.25/x
  3. Step 3: Cross multiply
    136,311.36x = 204,450.78 × 36,479.25
  4. Step 4: Simplify right side
    136,311.36x = 7,458,211,116.32
  5. Step 5: Solve for x
    x = 7,458,211,116.32/136,311.36
  6. Step 6: Final answer
    x = 54,714.52

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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.