Home / 115,731.64-173,597.46-109,821.88

Finding the Fourth Proportional to 115,731.64, 173,597.46 and 109,821.88

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Solution

The fourth proportional to 115,731.64, 173,597.46 and 109,821.88 is: 164,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,731.64 : 173,597.46 = 109,821.88 : x
  2. Step 2: Convert to fraction form
    115,731.64/173,597.46 = 109,821.88/x
  3. Step 3: Cross multiply
    115,731.64x = 173,597.46 × 109,821.88
  4. Step 4: Simplify right side
    115,731.64x = 19,064,799,420.42
  5. Step 5: Solve for x
    x = 19,064,799,420.42/115,731.64
  6. Step 6: Final answer
    x = 164,732.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.