Home / 123,373.62-170,542.53-110,076.66

Finding the Fourth Proportional to 123,373.62, 170,542.53 and 110,076.66

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Solution

The fourth proportional to 123,373.62, 170,542.53 and 110,076.66 is: 152,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,373.62 : 170,542.53 = 110,076.66 : x
  2. Step 2: Convert to fraction form
    123,373.62/170,542.53 = 110,076.66/x
  3. Step 3: Cross multiply
    123,373.62x = 170,542.53 × 110,076.66
  4. Step 4: Simplify right side
    123,373.62x = 18,772,752,090.35
  5. Step 5: Solve for x
    x = 18,772,752,090.35/123,373.62
  6. Step 6: Final answer
    x = 152,161.80

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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.