Home / 352,949.40-529,424.10-100,229.40

Finding the Fourth Proportional to 352,949.40, 529,424.10 and 100,229.40

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Solution

The fourth proportional to 352,949.40, 529,424.10 and 100,229.40 is: 150,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,949.40 : 529,424.10 = 100,229.40 : x
  2. Step 2: Convert to fraction form
    352,949.40/529,424.10 = 100,229.40/x
  3. Step 3: Cross multiply
    352,949.40x = 529,424.10 × 100,229.40
  4. Step 4: Simplify right side
    352,949.40x = 53,063,859,888.54
  5. Step 5: Solve for x
    x = 53,063,859,888.54/352,949.40
  6. Step 6: Final answer
    x = 150,344.10

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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.