Home / 225,581.14-311,302.05-123,605.77

Finding the Fourth Proportional to 225,581.14, 311,302.05 and 123,605.77

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Solution

The fourth proportional to 225,581.14, 311,302.05 and 123,605.77 is: 170,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,581.14 : 311,302.05 = 123,605.77 : x
  2. Step 2: Convert to fraction form
    225,581.14/311,302.05 = 123,605.77/x
  3. Step 3: Cross multiply
    225,581.14x = 311,302.05 × 123,605.77
  4. Step 4: Simplify right side
    225,581.14x = 38,478,729,592.83
  5. Step 5: Solve for x
    x = 38,478,729,592.83/225,581.14
  6. Step 6: Final answer
    x = 170,576.00

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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.