Home / 126,741.28-174,911.52-73,024.96

Finding the Fourth Proportional to 126,741.28, 174,911.52 and 73,024.96

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Solution

The fourth proportional to 126,741.28, 174,911.52 and 73,024.96 is: 100,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,741.28 : 174,911.52 = 73,024.96 : x
  2. Step 2: Convert to fraction form
    126,741.28/174,911.52 = 73,024.96/x
  3. Step 3: Cross multiply
    126,741.28x = 174,911.52 × 73,024.96
  4. Step 4: Simplify right side
    126,741.28x = 12,772,906,751.54
  5. Step 5: Solve for x
    x = 12,772,906,751.54/126,741.28
  6. Step 6: Final answer
    x = 100,779.37

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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.