Home / 188,976.88-260,688.81-112,441.60

Finding the Fourth Proportional to 188,976.88, 260,688.81 and 112,441.60

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Solution

The fourth proportional to 188,976.88, 260,688.81 and 112,441.60 is: 155,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,976.88 : 260,688.81 = 112,441.60 : x
  2. Step 2: Convert to fraction form
    188,976.88/260,688.81 = 112,441.60/x
  3. Step 3: Cross multiply
    188,976.88x = 260,688.81 × 112,441.60
  4. Step 4: Simplify right side
    188,976.88x = 29,312,266,898.50
  5. Step 5: Solve for x
    x = 29,312,266,898.50/188,976.88
  6. Step 6: Final answer
    x = 155,110.33

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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.