Home / 446,109.20-669,228.60-146,538.80

Finding the Fourth Proportional to 446,109.20, 669,228.60 and 146,538.80

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Solution

The fourth proportional to 446,109.20, 669,228.60 and 146,538.80 is: 219,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,109.20 : 669,228.60 = 146,538.80 : x
  2. Step 2: Convert to fraction form
    446,109.20/669,228.60 = 146,538.80/x
  3. Step 3: Cross multiply
    446,109.20x = 669,228.60 × 146,538.80
  4. Step 4: Simplify right side
    446,109.20x = 98,067,955,969.68
  5. Step 5: Solve for x
    x = 98,067,955,969.68/446,109.20
  6. Step 6: Final answer
    x = 219,829.49

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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.