Home / 173,946.80-261,006.60-68,769.20

Finding the Fourth Proportional to 173,946.80, 261,006.60 and 68,769.20

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Solution

The fourth proportional to 173,946.80, 261,006.60 and 68,769.20 is: 103,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,946.80 : 261,006.60 = 68,769.20 : x
  2. Step 2: Convert to fraction form
    173,946.80/261,006.60 = 68,769.20/x
  3. Step 3: Cross multiply
    173,946.80x = 261,006.60 × 68,769.20
  4. Step 4: Simplify right side
    173,946.80x = 17,949,215,076.72
  5. Step 5: Solve for x
    x = 17,949,215,076.72/173,946.80
  6. Step 6: Final answer
    x = 103,187.96

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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.