Home / 166,985.82-230,449.86-99,043.02

Finding the Fourth Proportional to 166,985.82, 230,449.86 and 99,043.02

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Solution

The fourth proportional to 166,985.82, 230,449.86 and 99,043.02 is: 136,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,985.82 : 230,449.86 = 99,043.02 : x
  2. Step 2: Convert to fraction form
    166,985.82/230,449.86 = 99,043.02/x
  3. Step 3: Cross multiply
    166,985.82x = 230,449.86 × 99,043.02
  4. Step 4: Simplify right side
    166,985.82x = 22,824,450,092.98
  5. Step 5: Solve for x
    x = 22,824,450,092.98/166,985.82
  6. Step 6: Final answer
    x = 136,684.96

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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.