Home / 318,540.54-439,576.35-175,300.38

Finding the Fourth Proportional to 318,540.54, 439,576.35 and 175,300.38

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Solution

The fourth proportional to 318,540.54, 439,576.35 and 175,300.38 is: 241,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,540.54 : 439,576.35 = 175,300.38 : x
  2. Step 2: Convert to fraction form
    318,540.54/439,576.35 = 175,300.38/x
  3. Step 3: Cross multiply
    318,540.54x = 439,576.35 × 175,300.38
  4. Step 4: Simplify right side
    318,540.54x = 77,057,901,194.01
  5. Step 5: Solve for x
    x = 77,057,901,194.01/318,540.54
  6. Step 6: Final answer
    x = 241,909.24

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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.