Home / 167,440.64-231,009.98-107,046.63

Finding the Fourth Proportional to 167,440.64, 231,009.98 and 107,046.63

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Solution

The fourth proportional to 167,440.64, 231,009.98 and 107,046.63 is: 147,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,440.64 : 231,009.98 = 107,046.63 : x
  2. Step 2: Convert to fraction form
    167,440.64/231,009.98 = 107,046.63/x
  3. Step 3: Cross multiply
    167,440.64x = 231,009.98 × 107,046.63
  4. Step 4: Simplify right side
    167,440.64x = 24,728,839,320.13
  5. Step 5: Solve for x
    x = 24,728,839,320.13/167,440.64
  6. Step 6: Final answer
    x = 147,687.20

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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.