Home / 188,132.43-259,627.14-107,567.49

Finding the Fourth Proportional to 188,132.43, 259,627.14 and 107,567.49

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Solution

The fourth proportional to 188,132.43, 259,627.14 and 107,567.49 is: 148,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,132.43 : 259,627.14 = 107,567.49 : x
  2. Step 2: Convert to fraction form
    188,132.43/259,627.14 = 107,567.49/x
  3. Step 3: Cross multiply
    188,132.43x = 259,627.14 × 107,567.49
  4. Step 4: Simplify right side
    188,132.43x = 27,927,439,785.68
  5. Step 5: Solve for x
    x = 27,927,439,785.68/188,132.43
  6. Step 6: Final answer
    x = 148,445.64

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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.