Home / 167,737.03-231,459.82-99,740.86

Finding the Fourth Proportional to 167,737.03, 231,459.82 and 99,740.86

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Solution

The fourth proportional to 167,737.03, 231,459.82 and 99,740.86 is: 137,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,737.03 : 231,459.82 = 99,740.86 : x
  2. Step 2: Convert to fraction form
    167,737.03/231,459.82 = 99,740.86/x
  3. Step 3: Cross multiply
    167,737.03x = 231,459.82 × 99,740.86
  4. Step 4: Simplify right side
    167,737.03x = 23,086,001,859.77
  5. Step 5: Solve for x
    x = 23,086,001,859.77/167,737.03
  6. Step 6: Final answer
    x = 137,632.11

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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.