Home / 188,559.60-260,212.20-103,682.16

Finding the Fourth Proportional to 188,559.60, 260,212.20 and 103,682.16

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Solution

The fourth proportional to 188,559.60, 260,212.20 and 103,682.16 is: 143,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,559.60 : 260,212.20 = 103,682.16 : x
  2. Step 2: Convert to fraction form
    188,559.60/260,212.20 = 103,682.16/x
  3. Step 3: Cross multiply
    188,559.60x = 260,212.20 × 103,682.16
  4. Step 4: Simplify right side
    188,559.60x = 26,979,362,954.35
  5. Step 5: Solve for x
    x = 26,979,362,954.35/188,559.60
  6. Step 6: Final answer
    x = 143,081.35

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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.