Home / 126,525.54-189,796.14-42,293.28

Finding the Fourth Proportional to 126,525.54, 189,796.14 and 42,293.28

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Solution

The fourth proportional to 126,525.54, 189,796.14 and 42,293.28 is: 63,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,525.54 : 189,796.14 = 42,293.28 : x
  2. Step 2: Convert to fraction form
    126,525.54/189,796.14 = 42,293.28/x
  3. Step 3: Cross multiply
    126,525.54x = 189,796.14 × 42,293.28
  4. Step 4: Simplify right side
    126,525.54x = 8,027,101,291.94
  5. Step 5: Solve for x
    x = 8,027,101,291.94/126,525.54
  6. Step 6: Final answer
    x = 63,442.54

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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.