Home / 188,569.25-260,232.86-103,684.49

Finding the Fourth Proportional to 188,569.25, 260,232.86 and 103,684.49

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Solution

The fourth proportional to 188,569.25, 260,232.86 and 103,684.49 is: 143,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,569.25 : 260,232.86 = 103,684.49 : x
  2. Step 2: Convert to fraction form
    188,569.25/260,232.86 = 103,684.49/x
  3. Step 3: Cross multiply
    188,569.25x = 260,232.86 × 103,684.49
  4. Step 4: Simplify right side
    188,569.25x = 26,982,111,370.34
  5. Step 5: Solve for x
    x = 26,982,111,370.34/188,569.25
  6. Step 6: Final answer
    x = 143,088.61

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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.