Home / 164,646.72-227,128.96-104,115.36

Finding the Fourth Proportional to 164,646.72, 227,128.96 and 104,115.36

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Solution

The fourth proportional to 164,646.72, 227,128.96 and 104,115.36 is: 143,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,646.72 : 227,128.96 = 104,115.36 : x
  2. Step 2: Convert to fraction form
    164,646.72/227,128.96 = 104,115.36/x
  3. Step 3: Cross multiply
    164,646.72x = 227,128.96 × 104,115.36
  4. Step 4: Simplify right side
    164,646.72x = 23,647,613,436.83
  5. Step 5: Solve for x
    x = 23,647,613,436.83/164,646.72
  6. Step 6: Final answer
    x = 143,626.39

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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.