Home / 188,790.48-260,524.89-103,907.34

Finding the Fourth Proportional to 188,790.48, 260,524.89 and 103,907.34

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Solution

The fourth proportional to 188,790.48, 260,524.89 and 103,907.34 is: 143,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,790.48 : 260,524.89 = 103,907.34 : x
  2. Step 2: Convert to fraction form
    188,790.48/260,524.89 = 103,907.34/x
  3. Step 3: Cross multiply
    188,790.48x = 260,524.89 × 103,907.34
  4. Step 4: Simplify right side
    188,790.48x = 27,070,448,323.69
  5. Step 5: Solve for x
    x = 27,070,448,323.69/188,790.48
  6. Step 6: Final answer
    x = 143,388.84

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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.