Home / 212,107.48-318,215.90-62,352.66

Finding the Fourth Proportional to 212,107.48, 318,215.90 and 62,352.66

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Solution

The fourth proportional to 212,107.48, 318,215.90 and 62,352.66 is: 93,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,107.48 : 318,215.90 = 62,352.66 : x
  2. Step 2: Convert to fraction form
    212,107.48/318,215.90 = 62,352.66/x
  3. Step 3: Cross multiply
    212,107.48x = 318,215.90 × 62,352.66
  4. Step 4: Simplify right side
    212,107.48x = 19,841,607,819.29
  5. Step 5: Solve for x
    x = 19,841,607,819.29/212,107.48
  6. Step 6: Final answer
    x = 93,545.06

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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.