Home / 307,569.76-424,446.68-180,245.25

Finding the Fourth Proportional to 307,569.76, 424,446.68 and 180,245.25

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Solution

The fourth proportional to 307,569.76, 424,446.68 and 180,245.25 is: 248,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,569.76 : 424,446.68 = 180,245.25 : x
  2. Step 2: Convert to fraction form
    307,569.76/424,446.68 = 180,245.25/x
  3. Step 3: Cross multiply
    307,569.76x = 424,446.68 × 180,245.25
  4. Step 4: Simplify right side
    307,569.76x = 76,504,498,398.88
  5. Step 5: Solve for x
    x = 76,504,498,398.88/307,569.76
  6. Step 6: Final answer
    x = 248,738.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.