Home / 188,094.12-259,550.98-112,640.68

Finding the Fourth Proportional to 188,094.12, 259,550.98 and 112,640.68

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Solution

The fourth proportional to 188,094.12, 259,550.98 and 112,640.68 is: 155,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,094.12 : 259,550.98 = 112,640.68 : x
  2. Step 2: Convert to fraction form
    188,094.12/259,550.98 = 112,640.68/x
  3. Step 3: Cross multiply
    188,094.12x = 259,550.98 × 112,640.68
  4. Step 4: Simplify right side
    188,094.12x = 29,235,998,881.87
  5. Step 5: Solve for x
    x = 29,235,998,881.87/188,094.12
  6. Step 6: Final answer
    x = 155,432.82

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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.