Home / 293,729.18-405,366.30-166,405.82

Finding the Fourth Proportional to 293,729.18, 405,366.30 and 166,405.82

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Solution

The fourth proportional to 293,729.18, 405,366.30 and 166,405.82 is: 229,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,729.18 : 405,366.30 = 166,405.82 : x
  2. Step 2: Convert to fraction form
    293,729.18/405,366.30 = 166,405.82/x
  3. Step 3: Cross multiply
    293,729.18x = 405,366.30 × 166,405.82
  4. Step 4: Simplify right side
    293,729.18x = 67,455,311,551.87
  5. Step 5: Solve for x
    x = 67,455,311,551.87/293,729.18
  6. Step 6: Final answer
    x = 229,651.38

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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.