Home / 454,815.30-682,222.95-155,269.20

Finding the Fourth Proportional to 454,815.30, 682,222.95 and 155,269.20

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Solution

The fourth proportional to 454,815.30, 682,222.95 and 155,269.20 is: 232,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,815.30 : 682,222.95 = 155,269.20 : x
  2. Step 2: Convert to fraction form
    454,815.30/682,222.95 = 155,269.20/x
  3. Step 3: Cross multiply
    454,815.30x = 682,222.95 × 155,269.20
  4. Step 4: Simplify right side
    454,815.30x = 105,928,211,668.14
  5. Step 5: Solve for x
    x = 105,928,211,668.14/454,815.30
  6. Step 6: Final answer
    x = 232,903.80

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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.