Home / 454,022.80-680,548.20-154,225.60

Finding the Fourth Proportional to 454,022.80, 680,548.20 and 154,225.60

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Solution

The fourth proportional to 454,022.80, 680,548.20 and 154,225.60 is: 231,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,022.80 : 680,548.20 = 154,225.60 : x
  2. Step 2: Convert to fraction form
    454,022.80/680,548.20 = 154,225.60/x
  3. Step 3: Cross multiply
    454,022.80x = 680,548.20 × 154,225.60
  4. Step 4: Simplify right side
    454,022.80x = 104,957,954,473.92
  5. Step 5: Solve for x
    x = 104,957,954,473.92/454,022.80
  6. Step 6: Final answer
    x = 231,173.31

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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.