Home / 167,766.12-231,440.99-99,744.53

Finding the Fourth Proportional to 167,766.12, 231,440.99 and 99,744.53

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Solution

The fourth proportional to 167,766.12, 231,440.99 and 99,744.53 is: 137,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,766.12 : 231,440.99 = 99,744.53 : x
  2. Step 2: Convert to fraction form
    167,766.12/231,440.99 = 99,744.53/x
  3. Step 3: Cross multiply
    167,766.12x = 231,440.99 × 99,744.53
  4. Step 4: Simplify right side
    167,766.12x = 23,084,971,114.36
  5. Step 5: Solve for x
    x = 23,084,971,114.36/167,766.12
  6. Step 6: Final answer
    x = 137,602.10

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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.