Home / 188,493.48-260,181.62-120,693.04

Finding the Fourth Proportional to 188,493.48, 260,181.62 and 120,693.04

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Solution

The fourth proportional to 188,493.48, 260,181.62 and 120,693.04 is: 166,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,493.48 : 260,181.62 = 120,693.04 : x
  2. Step 2: Convert to fraction form
    188,493.48/260,181.62 = 120,693.04/x
  3. Step 3: Cross multiply
    188,493.48x = 260,181.62 × 120,693.04
  4. Step 4: Simplify right side
    188,493.48x = 31,402,109,868.60
  5. Step 5: Solve for x
    x = 31,402,109,868.60/188,493.48
  6. Step 6: Final answer
    x = 166,595.20

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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.