Home / 303,211.10-454,857.15-103,481.30

Finding the Fourth Proportional to 303,211.10, 454,857.15 and 103,481.30

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Solution

The fourth proportional to 303,211.10, 454,857.15 and 103,481.30 is: 155,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,211.10 : 454,857.15 = 103,481.30 : x
  2. Step 2: Convert to fraction form
    303,211.10/454,857.15 = 103,481.30/x
  3. Step 3: Cross multiply
    303,211.10x = 454,857.15 × 103,481.30
  4. Step 4: Simplify right side
    303,211.10x = 47,069,209,196.30
  5. Step 5: Solve for x
    x = 47,069,209,196.30/303,211.10
  6. Step 6: Final answer
    x = 155,235.77

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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.