Home / 188,933.22-260,751.69-108,359.01

Finding the Fourth Proportional to 188,933.22, 260,751.69 and 108,359.01

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Solution

The fourth proportional to 188,933.22, 260,751.69 and 108,359.01 is: 149,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,933.22 : 260,751.69 = 108,359.01 : x
  2. Step 2: Convert to fraction form
    188,933.22/260,751.69 = 108,359.01/x
  3. Step 3: Cross multiply
    188,933.22x = 260,751.69 × 108,359.01
  4. Step 4: Simplify right side
    188,933.22x = 28,254,794,984.23
  5. Step 5: Solve for x
    x = 28,254,794,984.23/188,933.22
  6. Step 6: Final answer
    x = 149,549.11

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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.