Home / 289,983.36-435,293.20-230,394.84

Finding the Fourth Proportional to 289,983.36, 435,293.20 and 230,394.84

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Solution

The fourth proportional to 289,983.36, 435,293.20 and 230,394.84 is: 345,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,983.36 : 435,293.20 = 230,394.84 : x
  2. Step 2: Convert to fraction form
    289,983.36/435,293.20 = 230,394.84/x
  3. Step 3: Cross multiply
    289,983.36x = 435,293.20 × 230,394.84
  4. Step 4: Simplify right side
    289,983.36x = 100,289,307,167.09
  5. Step 5: Solve for x
    x = 100,289,307,167.09/289,983.36
  6. Step 6: Final answer
    x = 345,845.04

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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.