Home / 234,651.12-323,733.69-154,122.30

Finding the Fourth Proportional to 234,651.12, 323,733.69 and 154,122.30

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Solution

The fourth proportional to 234,651.12, 323,733.69 and 154,122.30 is: 212,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,651.12 : 323,733.69 = 154,122.30 : x
  2. Step 2: Convert to fraction form
    234,651.12/323,733.69 = 154,122.30/x
  3. Step 3: Cross multiply
    234,651.12x = 323,733.69 × 154,122.30
  4. Step 4: Simplify right side
    234,651.12x = 49,894,580,890.29
  5. Step 5: Solve for x
    x = 49,894,580,890.29/234,651.12
  6. Step 6: Final answer
    x = 212,633.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.