Home / 188,764.15-260,494.56-103,881.21

Finding the Fourth Proportional to 188,764.15, 260,494.56 and 103,881.21

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Solution

The fourth proportional to 188,764.15, 260,494.56 and 103,881.21 is: 143,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,764.15 : 260,494.56 = 103,881.21 : x
  2. Step 2: Convert to fraction form
    188,764.15/260,494.56 = 103,881.21/x
  3. Step 3: Cross multiply
    188,764.15x = 260,494.56 × 103,881.21
  4. Step 4: Simplify right side
    188,764.15x = 27,060,489,554.84
  5. Step 5: Solve for x
    x = 27,060,489,554.84/188,764.15
  6. Step 6: Final answer
    x = 143,356.09

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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.