Home / 318,147.76-439,044.96-174,910.24

Finding the Fourth Proportional to 318,147.76, 439,044.96 and 174,910.24

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Solution

The fourth proportional to 318,147.76, 439,044.96 and 174,910.24 is: 241,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,147.76 : 439,044.96 = 174,910.24 : x
  2. Step 2: Convert to fraction form
    318,147.76/439,044.96 = 174,910.24/x
  3. Step 3: Cross multiply
    318,147.76x = 439,044.96 × 174,910.24
  4. Step 4: Simplify right side
    318,147.76x = 76,793,459,324.39
  5. Step 5: Solve for x
    x = 76,793,459,324.39/318,147.76
  6. Step 6: Final answer
    x = 241,376.71

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1.5x scale

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.