Home / 318,473.44-477,633.20-93,772.72

Finding the Fourth Proportional to 318,473.44, 477,633.20 and 93,772.72

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Solution

The fourth proportional to 318,473.44, 477,633.20 and 93,772.72 is: 140,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,473.44 : 477,633.20 = 93,772.72 : x
  2. Step 2: Convert to fraction form
    318,473.44/477,633.20 = 93,772.72/x
  3. Step 3: Cross multiply
    318,473.44x = 477,633.20 × 93,772.72
  4. Step 4: Simplify right side
    318,473.44x = 44,788,964,326.30
  5. Step 5: Solve for x
    x = 44,788,964,326.30/318,473.44
  6. Step 6: Final answer
    x = 140,636.42

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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.