Home / 164,719.81-227,311.70-92,121.90

Finding the Fourth Proportional to 164,719.81, 227,311.70 and 92,121.90

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Solution

The fourth proportional to 164,719.81, 227,311.70 and 92,121.90 is: 127,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,719.81 : 227,311.70 = 92,121.90 : x
  2. Step 2: Convert to fraction form
    164,719.81/227,311.70 = 92,121.90/x
  3. Step 3: Cross multiply
    164,719.81x = 227,311.70 × 92,121.90
  4. Step 4: Simplify right side
    164,719.81x = 20,940,385,696.23
  5. Step 5: Solve for x
    x = 20,940,385,696.23/164,719.81
  6. Step 6: Final answer
    x = 127,127.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.