Home / 212,237.92-318,247.33-62,458.76

Finding the Fourth Proportional to 212,237.92, 318,247.33 and 62,458.76

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Solution

The fourth proportional to 212,237.92, 318,247.33 and 62,458.76 is: 93,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,237.92 : 318,247.33 = 62,458.76 : x
  2. Step 2: Convert to fraction form
    212,237.92/318,247.33 = 62,458.76/x
  3. Step 3: Cross multiply
    212,237.92x = 318,247.33 × 62,458.76
  4. Step 4: Simplify right side
    212,237.92x = 19,877,334,361.69
  5. Step 5: Solve for x
    x = 19,877,334,361.69/212,237.92
  6. Step 6: Final answer
    x = 93,655.90

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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.