Home / 173,864.40-260,796.60-68,629.20

Finding the Fourth Proportional to 173,864.40, 260,796.60 and 68,629.20

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Solution

The fourth proportional to 173,864.40, 260,796.60 and 68,629.20 is: 102,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,864.40 : 260,796.60 = 68,629.20 : x
  2. Step 2: Convert to fraction form
    173,864.40/260,796.60 = 68,629.20/x
  3. Step 3: Cross multiply
    173,864.40x = 260,796.60 × 68,629.20
  4. Step 4: Simplify right side
    173,864.40x = 17,898,262,020.72
  5. Step 5: Solve for x
    x = 17,898,262,020.72/173,864.40
  6. Step 6: Final answer
    x = 102,943.80

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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.