Home / 180,619.70-270,929.55-117,634.10

Finding the Fourth Proportional to 180,619.70, 270,929.55 and 117,634.10

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Solution

The fourth proportional to 180,619.70, 270,929.55 and 117,634.10 is: 176,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,619.70 : 270,929.55 = 117,634.10 : x
  2. Step 2: Convert to fraction form
    180,619.70/270,929.55 = 117,634.10/x
  3. Step 3: Cross multiply
    180,619.70x = 270,929.55 × 117,634.10
  4. Step 4: Simplify right side
    180,619.70x = 31,870,553,777.66
  5. Step 5: Solve for x
    x = 31,870,553,777.66/180,619.70
  6. Step 6: Final answer
    x = 176,451.15

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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.