Home / 127,427.99-191,022.60-43,129.16

Finding the Fourth Proportional to 127,427.99, 191,022.60 and 43,129.16

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Solution

The fourth proportional to 127,427.99, 191,022.60 and 43,129.16 is: 64,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,427.99 : 191,022.60 = 43,129.16 : x
  2. Step 2: Convert to fraction form
    127,427.99/191,022.60 = 43,129.16/x
  3. Step 3: Cross multiply
    127,427.99x = 191,022.60 × 43,129.16
  4. Step 4: Simplify right side
    127,427.99x = 8,238,644,201.97
  5. Step 5: Solve for x
    x = 8,238,644,201.97/127,427.99
  6. Step 6: Final answer
    x = 64,653.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.