Home / 161,819.05-242,689.68-82,892.65

Finding the Fourth Proportional to 161,819.05, 242,689.68 and 82,892.65

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Solution

The fourth proportional to 161,819.05, 242,689.68 and 82,892.65 is: 124,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,819.05 : 242,689.68 = 82,892.65 : x
  2. Step 2: Convert to fraction form
    161,819.05/242,689.68 = 82,892.65/x
  3. Step 3: Cross multiply
    161,819.05x = 242,689.68 × 82,892.65
  4. Step 4: Simplify right side
    161,819.05x = 20,117,190,702.85
  5. Step 5: Solve for x
    x = 20,117,190,702.85/161,819.05
  6. Step 6: Final answer
    x = 124,319.05

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1.5x scale

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.