Home / 188,096.28-259,578.18-103,218.90

Finding the Fourth Proportional to 188,096.28, 259,578.18 and 103,218.90

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Solution

The fourth proportional to 188,096.28, 259,578.18 and 103,218.90 is: 142,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,096.28 : 259,578.18 = 103,218.90 : x
  2. Step 2: Convert to fraction form
    188,096.28/259,578.18 = 103,218.90/x
  3. Step 3: Cross multiply
    188,096.28x = 259,578.18 × 103,218.90
  4. Step 4: Simplify right side
    188,096.28x = 26,793,374,203.60
  5. Step 5: Solve for x
    x = 26,793,374,203.60/188,096.28
  6. Step 6: Final answer
    x = 142,445.00

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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.