Home / 220,516.00-304,336.62-123,735.78

Finding the Fourth Proportional to 220,516.00, 304,336.62 and 123,735.78

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Solution

The fourth proportional to 220,516.00, 304,336.62 and 123,735.78 is: 170,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,516.00 : 304,336.62 = 123,735.78 : x
  2. Step 2: Convert to fraction form
    220,516.00/304,336.62 = 123,735.78/x
  3. Step 3: Cross multiply
    220,516.00x = 304,336.62 × 123,735.78
  4. Step 4: Simplify right side
    220,516.00x = 37,657,329,058.26
  5. Step 5: Solve for x
    x = 37,657,329,058.26/220,516.00
  6. Step 6: Final answer
    x = 170,769.15

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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.