Home / 212,234.83-318,242.68-62,455.66

Finding the Fourth Proportional to 212,234.83, 318,242.68 and 62,455.66

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Solution

The fourth proportional to 212,234.83, 318,242.68 and 62,455.66 is: 93,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,234.83 : 318,242.68 = 62,455.66 : x
  2. Step 2: Convert to fraction form
    212,234.83/318,242.68 = 62,455.66/x
  3. Step 3: Cross multiply
    212,234.83x = 318,242.68 × 62,455.66
  4. Step 4: Simplify right side
    212,234.83x = 19,876,055,667.82
  5. Step 5: Solve for x
    x = 19,876,055,667.82/212,234.83
  6. Step 6: Final answer
    x = 93,651.24

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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.