Home / 188,725.93-260,355.97-112,201.61

Finding the Fourth Proportional to 188,725.93, 260,355.97 and 112,201.61

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Solution

The fourth proportional to 188,725.93, 260,355.97 and 112,201.61 is: 154,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,725.93 : 260,355.97 = 112,201.61 : x
  2. Step 2: Convert to fraction form
    188,725.93/260,355.97 = 112,201.61/x
  3. Step 3: Cross multiply
    188,725.93x = 260,355.97 × 112,201.61
  4. Step 4: Simplify right side
    188,725.93x = 29,212,357,845.58
  5. Step 5: Solve for x
    x = 29,212,357,845.58/188,725.93
  6. Step 6: Final answer
    x = 154,787.20

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1.5x scale

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.