Home / 164,912.70-227,579.96-89,461.20

Finding the Fourth Proportional to 164,912.70, 227,579.96 and 89,461.20

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Solution

The fourth proportional to 164,912.70, 227,579.96 and 89,461.20 is: 123,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,912.70 : 227,579.96 = 89,461.20 : x
  2. Step 2: Convert to fraction form
    164,912.70/227,579.96 = 89,461.20/x
  3. Step 3: Cross multiply
    164,912.70x = 227,579.96 × 89,461.20
  4. Step 4: Simplify right side
    164,912.70x = 20,359,575,179.65
  5. Step 5: Solve for x
    x = 20,359,575,179.65/164,912.70
  6. Step 6: Final answer
    x = 123,456.69

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1.5x scale

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.