Home / 188,056.90-259,523.08-103,173.96

Finding the Fourth Proportional to 188,056.90, 259,523.08 and 103,173.96

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Solution

The fourth proportional to 188,056.90, 259,523.08 and 103,173.96 is: 142,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,056.90 : 259,523.08 = 103,173.96 : x
  2. Step 2: Convert to fraction form
    188,056.90/259,523.08 = 103,173.96/x
  3. Step 3: Cross multiply
    188,056.90x = 259,523.08 × 103,173.96
  4. Step 4: Simplify right side
    188,056.90x = 26,776,024,150.54
  5. Step 5: Solve for x
    x = 26,776,024,150.54/188,056.90
  6. Step 6: Final answer
    x = 142,382.57

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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.