Home / 188,904.43-260,244.60-131,445.07

Finding the Fourth Proportional to 188,904.43, 260,244.60 and 131,445.07

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Solution

The fourth proportional to 188,904.43, 260,244.60 and 131,445.07 is: 181,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,904.43 : 260,244.60 = 131,445.07 : x
  2. Step 2: Convert to fraction form
    188,904.43/260,244.60 = 131,445.07/x
  3. Step 3: Cross multiply
    188,904.43x = 260,244.60 × 131,445.07
  4. Step 4: Simplify right side
    188,904.43x = 34,207,869,013.51
  5. Step 5: Solve for x
    x = 34,207,869,013.51/188,904.43
  6. Step 6: Final answer
    x = 181,085.59

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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.