Home / 235,826.40-353,739.60-161,176.80

Finding the Fourth Proportional to 235,826.40, 353,739.60 and 161,176.80

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Solution

The fourth proportional to 235,826.40, 353,739.60 and 161,176.80 is: 241,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,826.40 : 353,739.60 = 161,176.80 : x
  2. Step 2: Convert to fraction form
    235,826.40/353,739.60 = 161,176.80/x
  3. Step 3: Cross multiply
    235,826.40x = 353,739.60 × 161,176.80
  4. Step 4: Simplify right side
    235,826.40x = 57,014,616,761.28
  5. Step 5: Solve for x
    x = 57,014,616,761.28/235,826.40
  6. Step 6: Final answer
    x = 241,765.20

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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.