Home / 167,743.45-231,397.73-99,712.03

Finding the Fourth Proportional to 167,743.45, 231,397.73 and 99,712.03

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Solution

The fourth proportional to 167,743.45, 231,397.73 and 99,712.03 is: 137,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,743.45 : 231,397.73 = 99,712.03 : x
  2. Step 2: Convert to fraction form
    167,743.45/231,397.73 = 99,712.03/x
  3. Step 3: Cross multiply
    167,743.45x = 231,397.73 × 99,712.03
  4. Step 4: Simplify right side
    167,743.45x = 23,073,136,897.13
  5. Step 5: Solve for x
    x = 23,073,136,897.13/167,743.45
  6. Step 6: Final answer
    x = 137,550.16

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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.