Home / 126,291.54-189,445.19-42,059.24

Finding the Fourth Proportional to 126,291.54, 189,445.19 and 42,059.24

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Solution

The fourth proportional to 126,291.54, 189,445.19 and 42,059.24 is: 63,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,291.54 : 189,445.19 = 42,059.24 : x
  2. Step 2: Convert to fraction form
    126,291.54/189,445.19 = 42,059.24/x
  3. Step 3: Cross multiply
    126,291.54x = 189,445.19 × 42,059.24
  4. Step 4: Simplify right side
    126,291.54x = 7,967,919,555.53
  5. Step 5: Solve for x
    x = 7,967,919,555.53/126,291.54
  6. Step 6: Final answer
    x = 63,091.48

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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.