Home / 212,301.11-318,454.40-62,507.34

Finding the Fourth Proportional to 212,301.11, 318,454.40 and 62,507.34

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Solution

The fourth proportional to 212,301.11, 318,454.40 and 62,507.34 is: 93,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,301.11 : 318,454.40 = 62,507.34 : x
  2. Step 2: Convert to fraction form
    212,301.11/318,454.40 = 62,507.34/x
  3. Step 3: Cross multiply
    212,301.11x = 318,454.40 × 62,507.34
  4. Step 4: Simplify right side
    212,301.11x = 19,905,737,455.30
  5. Step 5: Solve for x
    x = 19,905,737,455.30/212,301.11
  6. Step 6: Final answer
    x = 93,761.82

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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.