Home / 455,586.12-683,377.56-123,162.12

Finding the Fourth Proportional to 455,586.12, 683,377.56 and 123,162.12

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Solution

The fourth proportional to 455,586.12, 683,377.56 and 123,162.12 is: 184,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,586.12 : 683,377.56 = 123,162.12 : x
  2. Step 2: Convert to fraction form
    455,586.12/683,377.56 = 123,162.12/x
  3. Step 3: Cross multiply
    455,586.12x = 683,377.56 × 123,162.12
  4. Step 4: Simplify right side
    455,586.12x = 84,166,229,050.03
  5. Step 5: Solve for x
    x = 84,166,229,050.03/455,586.12
  6. Step 6: Final answer
    x = 184,742.74

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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.