Home / 173,864.60-260,732.10-68,661.80

Finding the Fourth Proportional to 173,864.60, 260,732.10 and 68,661.80

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Solution

The fourth proportional to 173,864.60, 260,732.10 and 68,661.80 is: 102,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,864.60 : 260,732.10 = 68,661.80 : x
  2. Step 2: Convert to fraction form
    173,864.60/260,732.10 = 68,661.80/x
  3. Step 3: Cross multiply
    173,864.60x = 260,732.10 × 68,661.80
  4. Step 4: Simplify right side
    173,864.60x = 17,902,335,303.78
  5. Step 5: Solve for x
    x = 17,902,335,303.78/173,864.60
  6. Step 6: Final answer
    x = 102,967.11

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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.