Home / 318,201.91-439,120.31-174,971.23

Finding the Fourth Proportional to 318,201.91, 439,120.31 and 174,971.23

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Solution

The fourth proportional to 318,201.91, 439,120.31 and 174,971.23 is: 241,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,201.91 : 439,120.31 = 174,971.23 : x
  2. Step 2: Convert to fraction form
    318,201.91/439,120.31 = 174,971.23/x
  3. Step 3: Cross multiply
    318,201.91x = 439,120.31 × 174,971.23
  4. Step 4: Simplify right side
    318,201.91x = 76,833,418,786.02
  5. Step 5: Solve for x
    x = 76,833,418,786.02/318,201.91
  6. Step 6: Final answer
    x = 241,461.21

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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.