Home / 269,628.12-404,528.52-129,396.60

Finding the Fourth Proportional to 269,628.12, 404,528.52 and 129,396.60

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Solution

The fourth proportional to 269,628.12, 404,528.52 and 129,396.60 is: 194,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,628.12 : 404,528.52 = 129,396.60 : x
  2. Step 2: Convert to fraction form
    269,628.12/404,528.52 = 129,396.60/x
  3. Step 3: Cross multiply
    269,628.12x = 404,528.52 × 129,396.60
  4. Step 4: Simplify right side
    269,628.12x = 52,344,615,091.03
  5. Step 5: Solve for x
    x = 52,344,615,091.03/269,628.12
  6. Step 6: Final answer
    x = 194,136.34

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1.5x scale

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.