Home / 446,539.43-669,820.08-131,006.36

Finding the Fourth Proportional to 446,539.43, 669,820.08 and 131,006.36

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Solution

The fourth proportional to 446,539.43, 669,820.08 and 131,006.36 is: 196,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,539.43 : 669,820.08 = 131,006.36 : x
  2. Step 2: Convert to fraction form
    446,539.43/669,820.08 = 131,006.36/x
  3. Step 3: Cross multiply
    446,539.43x = 669,820.08 × 131,006.36
  4. Step 4: Simplify right side
    446,539.43x = 87,750,692,701.53
  5. Step 5: Solve for x
    x = 87,750,692,701.53/446,539.43
  6. Step 6: Final answer
    x = 196,512.75

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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.