Home / 188,716.29-260,435.64-108,159.36

Finding the Fourth Proportional to 188,716.29, 260,435.64 and 108,159.36

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Solution

The fourth proportional to 188,716.29, 260,435.64 and 108,159.36 is: 149,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,716.29 : 260,435.64 = 108,159.36 : x
  2. Step 2: Convert to fraction form
    188,716.29/260,435.64 = 108,159.36/x
  3. Step 3: Cross multiply
    188,716.29x = 260,435.64 × 108,159.36
  4. Step 4: Simplify right side
    188,716.29x = 28,168,551,261.35
  5. Step 5: Solve for x
    x = 28,168,551,261.35/188,716.29
  6. Step 6: Final answer
    x = 149,264.02

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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.