Home / 188,759.07-260,485.56-107,102.34

Finding the Fourth Proportional to 188,759.07, 260,485.56 and 107,102.34

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Solution

The fourth proportional to 188,759.07, 260,485.56 and 107,102.34 is: 147,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,759.07 : 260,485.56 = 107,102.34 : x
  2. Step 2: Convert to fraction form
    188,759.07/260,485.56 = 107,102.34/x
  3. Step 3: Cross multiply
    188,759.07x = 260,485.56 × 107,102.34
  4. Step 4: Simplify right side
    188,759.07x = 27,898,613,012.21
  5. Step 5: Solve for x
    x = 27,898,613,012.21/188,759.07
  6. Step 6: Final answer
    x = 147,800.12

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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.