Home / 117,921.60-176,623.20-104,788.80

Finding the Fourth Proportional to 117,921.60, 176,623.20 and 104,788.80

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Solution

The fourth proportional to 117,921.60, 176,623.20 and 104,788.80 is: 156,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,921.60 : 176,623.20 = 104,788.80 : x
  2. Step 2: Convert to fraction form
    117,921.60/176,623.20 = 104,788.80/x
  3. Step 3: Cross multiply
    117,921.60x = 176,623.20 × 104,788.80
  4. Step 4: Simplify right side
    117,921.60x = 18,508,133,180.16
  5. Step 5: Solve for x
    x = 18,508,133,180.16/117,921.60
  6. Step 6: Final answer
    x = 156,952.87

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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.