Home / 236,534.91-354,858.83-78,764.73

Finding the Fourth Proportional to 236,534.91, 354,858.83 and 78,764.73

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Solution

The fourth proportional to 236,534.91, 354,858.83 and 78,764.73 is: 118,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,534.91 : 354,858.83 = 78,764.73 : x
  2. Step 2: Convert to fraction form
    236,534.91/354,858.83 = 78,764.73/x
  3. Step 3: Cross multiply
    236,534.91x = 354,858.83 × 78,764.73
  4. Step 4: Simplify right side
    236,534.91x = 27,950,359,933.07
  5. Step 5: Solve for x
    x = 27,950,359,933.07/236,534.91
  6. Step 6: Final answer
    x = 118,165.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.