Home / 188,327.22-259,827.21-107,725.38

Finding the Fourth Proportional to 188,327.22, 259,827.21 and 107,725.38

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Solution

The fourth proportional to 188,327.22, 259,827.21 and 107,725.38 is: 148,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,327.22 : 259,827.21 = 107,725.38 : x
  2. Step 2: Convert to fraction form
    188,327.22/259,827.21 = 107,725.38/x
  3. Step 3: Cross multiply
    188,327.22x = 259,827.21 × 107,725.38
  4. Step 4: Simplify right side
    188,327.22x = 27,989,984,931.59
  5. Step 5: Solve for x
    x = 27,989,984,931.59/188,327.22
  6. Step 6: Final answer
    x = 148,624.21

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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.