Home / 188,644.22-260,237.56-112,109.15

Finding the Fourth Proportional to 188,644.22, 260,237.56 and 112,109.15

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Solution

The fourth proportional to 188,644.22, 260,237.56 and 112,109.15 is: 154,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,644.22 : 260,237.56 = 112,109.15 : x
  2. Step 2: Convert to fraction form
    188,644.22/260,237.56 = 112,109.15/x
  3. Step 3: Cross multiply
    188,644.22x = 260,237.56 × 112,109.15
  4. Step 4: Simplify right side
    188,644.22x = 29,175,010,766.36
  5. Step 5: Solve for x
    x = 29,175,010,766.36/188,644.22
  6. Step 6: Final answer
    x = 154,656.26

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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.