Home / 353,183.20-530,552.40-248,207.20

Finding the Fourth Proportional to 353,183.20, 530,552.40 and 248,207.20

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Solution

The fourth proportional to 353,183.20, 530,552.40 and 248,207.20 is: 372,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,183.20 : 530,552.40 = 248,207.20 : x
  2. Step 2: Convert to fraction form
    353,183.20/530,552.40 = 248,207.20/x
  3. Step 3: Cross multiply
    353,183.20x = 530,552.40 × 248,207.20
  4. Step 4: Simplify right side
    353,183.20x = 131,686,925,657.28
  5. Step 5: Solve for x
    x = 131,686,925,657.28/353,183.20
  6. Step 6: Final answer
    x = 372,857.28

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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.