Home / 167,764.58-231,438.80-99,742.98

Finding the Fourth Proportional to 167,764.58, 231,438.80 and 99,742.98

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Solution

The fourth proportional to 167,764.58, 231,438.80 and 99,742.98 is: 137,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,764.58 : 231,438.80 = 99,742.98 : x
  2. Step 2: Convert to fraction form
    167,764.58/231,438.80 = 99,742.98/x
  3. Step 3: Cross multiply
    167,764.58x = 231,438.80 × 99,742.98
  4. Step 4: Simplify right side
    167,764.58x = 23,084,395,599.62
  5. Step 5: Solve for x
    x = 23,084,395,599.62/167,764.58
  6. Step 6: Final answer
    x = 137,599.94

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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.