Home / 188,879.04-260,656.38-103,994.28

Finding the Fourth Proportional to 188,879.04, 260,656.38 and 103,994.28

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Solution

The fourth proportional to 188,879.04, 260,656.38 and 103,994.28 is: 143,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,879.04 : 260,656.38 = 103,994.28 : x
  2. Step 2: Convert to fraction form
    188,879.04/260,656.38 = 103,994.28/x
  3. Step 3: Cross multiply
    188,879.04x = 260,656.38 × 103,994.28
  4. Step 4: Simplify right side
    188,879.04x = 27,106,772,565.51
  5. Step 5: Solve for x
    x = 27,106,772,565.51/188,879.04
  6. Step 6: Final answer
    x = 143,513.93

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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.