Home / 188,542.09-260,184.58-103,657.33

Finding the Fourth Proportional to 188,542.09, 260,184.58 and 103,657.33

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Solution

The fourth proportional to 188,542.09, 260,184.58 and 103,657.33 is: 143,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,542.09 : 260,184.58 = 103,657.33 : x
  2. Step 2: Convert to fraction form
    188,542.09/260,184.58 = 103,657.33/x
  3. Step 3: Cross multiply
    188,542.09x = 260,184.58 × 103,657.33
  4. Step 4: Simplify right side
    188,542.09x = 26,970,038,869.97
  5. Step 5: Solve for x
    x = 26,970,038,869.97/188,542.09
  6. Step 6: Final answer
    x = 143,045.19

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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.