Home / 303,913.53-455,835.74-82,280.25

Finding the Fourth Proportional to 303,913.53, 455,835.74 and 82,280.25

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Solution

The fourth proportional to 303,913.53, 455,835.74 and 82,280.25 is: 123,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,913.53 : 455,835.74 = 82,280.25 : x
  2. Step 2: Convert to fraction form
    303,913.53/455,835.74 = 82,280.25/x
  3. Step 3: Cross multiply
    303,913.53x = 455,835.74 × 82,280.25
  4. Step 4: Simplify right side
    303,913.53x = 37,506,278,234.73
  5. Step 5: Solve for x
    x = 37,506,278,234.73/303,913.53
  6. Step 6: Final answer
    x = 123,411.02

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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.