Home / 165,135.41-227,888.21-89,684.45

Finding the Fourth Proportional to 165,135.41, 227,888.21 and 89,684.45

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Solution

The fourth proportional to 165,135.41, 227,888.21 and 89,684.45 is: 123,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,135.41 : 227,888.21 = 89,684.45 : x
  2. Step 2: Convert to fraction form
    165,135.41/227,888.21 = 89,684.45/x
  3. Step 3: Cross multiply
    165,135.41x = 227,888.21 × 89,684.45
  4. Step 4: Simplify right side
    165,135.41x = 20,438,028,326.91
  5. Step 5: Solve for x
    x = 20,438,028,326.91/165,135.41
  6. Step 6: Final answer
    x = 123,765.27

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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.