Home / 188,574.36-260,195.38-105,791.12

Finding the Fourth Proportional to 188,574.36, 260,195.38 and 105,791.12

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Solution

The fourth proportional to 188,574.36, 260,195.38 and 105,791.12 is: 145,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,574.36 : 260,195.38 = 105,791.12 : x
  2. Step 2: Convert to fraction form
    188,574.36/260,195.38 = 105,791.12/x
  3. Step 3: Cross multiply
    188,574.36x = 260,195.38 × 105,791.12
  4. Step 4: Simplify right side
    188,574.36x = 27,526,360,669.03
  5. Step 5: Solve for x
    x = 27,526,360,669.03/188,574.36
  6. Step 6: Final answer
    x = 145,970.86

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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.