Home / 212,107.98-318,216.65-62,353.16

Finding the Fourth Proportional to 212,107.98, 318,216.65 and 62,353.16

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Solution

The fourth proportional to 212,107.98, 318,216.65 and 62,353.16 is: 93,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,107.98 : 318,216.65 = 62,353.16 : x
  2. Step 2: Convert to fraction form
    212,107.98/318,216.65 = 62,353.16/x
  3. Step 3: Cross multiply
    212,107.98x = 318,216.65 × 62,353.16
  4. Step 4: Simplify right side
    212,107.98x = 19,841,811,789.27
  5. Step 5: Solve for x
    x = 19,841,811,789.27/212,107.98
  6. Step 6: Final answer
    x = 93,545.81

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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.