Home / 167,611.33-231,302.84-98,740.77

Finding the Fourth Proportional to 167,611.33, 231,302.84 and 98,740.77

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Solution

The fourth proportional to 167,611.33, 231,302.84 and 98,740.77 is: 136,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,611.33 : 231,302.84 = 98,740.77 : x
  2. Step 2: Convert to fraction form
    167,611.33/231,302.84 = 98,740.77/x
  3. Step 3: Cross multiply
    167,611.33x = 231,302.84 × 98,740.77
  4. Step 4: Simplify right side
    167,611.33x = 22,839,021,020.19
  5. Step 5: Solve for x
    x = 22,839,021,020.19/167,611.33
  6. Step 6: Final answer
    x = 136,261.80

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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.