Home / 289,162.14-399,043.71-161,837.73

Finding the Fourth Proportional to 289,162.14, 399,043.71 and 161,837.73

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Solution

The fourth proportional to 289,162.14, 399,043.71 and 161,837.73 is: 223,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,162.14 : 399,043.71 = 161,837.73 : x
  2. Step 2: Convert to fraction form
    289,162.14/399,043.71 = 161,837.73/x
  3. Step 3: Cross multiply
    289,162.14x = 399,043.71 × 161,837.73
  4. Step 4: Simplify right side
    289,162.14x = 64,580,328,197.18
  5. Step 5: Solve for x
    x = 64,580,328,197.18/289,162.14
  6. Step 6: Final answer
    x = 223,336.04

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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.