Home / 296,428.19-444,640.83-71,788.62

Finding the Fourth Proportional to 296,428.19, 444,640.83 and 71,788.62

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Solution

The fourth proportional to 296,428.19, 444,640.83 and 71,788.62 is: 107,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,428.19 : 444,640.83 = 71,788.62 : x
  2. Step 2: Convert to fraction form
    296,428.19/444,640.83 = 71,788.62/x
  3. Step 3: Cross multiply
    296,428.19x = 444,640.83 × 71,788.62
  4. Step 4: Simplify right side
    296,428.19x = 31,920,149,985.67
  5. Step 5: Solve for x
    x = 31,920,149,985.67/296,428.19
  6. Step 6: Final answer
    x = 107,682.57

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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.