Home / 289,166.14-399,049.23-161,841.73

Finding the Fourth Proportional to 289,166.14, 399,049.23 and 161,841.73

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Solution

The fourth proportional to 289,166.14, 399,049.23 and 161,841.73 is: 223,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,166.14 : 399,049.23 = 161,841.73 : x
  2. Step 2: Convert to fraction form
    289,166.14/399,049.23 = 161,841.73/x
  3. Step 3: Cross multiply
    289,166.14x = 399,049.23 × 161,841.73
  4. Step 4: Simplify right side
    289,166.14x = 64,582,817,738.37
  5. Step 5: Solve for x
    x = 64,582,817,738.37/289,166.14
  6. Step 6: Final answer
    x = 223,341.56

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1.5x scale

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.