Home / 169,451.46-234,086.34-135,415.32

Finding the Fourth Proportional to 169,451.46, 234,086.34 and 135,415.32

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Solution

The fourth proportional to 169,451.46, 234,086.34 and 135,415.32 is: 187,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,451.46 : 234,086.34 = 135,415.32 : x
  2. Step 2: Convert to fraction form
    169,451.46/234,086.34 = 135,415.32/x
  3. Step 3: Cross multiply
    169,451.46x = 234,086.34 × 135,415.32
  4. Step 4: Simplify right side
    169,451.46x = 31,698,876,638.73
  5. Step 5: Solve for x
    x = 31,698,876,638.73/169,451.46
  6. Step 6: Final answer
    x = 187,067.59

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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.