Home / 188,981.56-260,795.26-104,098.42

Finding the Fourth Proportional to 188,981.56, 260,795.26 and 104,098.42

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Solution

The fourth proportional to 188,981.56, 260,795.26 and 104,098.42 is: 143,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,981.56 : 260,795.26 = 104,098.42 : x
  2. Step 2: Convert to fraction form
    188,981.56/260,795.26 = 104,098.42/x
  3. Step 3: Cross multiply
    188,981.56x = 260,795.26 × 104,098.42
  4. Step 4: Simplify right side
    188,981.56x = 27,148,374,509.49
  5. Step 5: Solve for x
    x = 27,148,374,509.49/188,981.56
  6. Step 6: Final answer
    x = 143,656.21

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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.