Home / 289,933.15-400,121.21-181,101.92

Finding the Fourth Proportional to 289,933.15, 400,121.21 and 181,101.92

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Solution

The fourth proportional to 289,933.15, 400,121.21 and 181,101.92 is: 249,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,933.15 : 400,121.21 = 181,101.92 : x
  2. Step 2: Convert to fraction form
    289,933.15/400,121.21 = 181,101.92/x
  3. Step 3: Cross multiply
    289,933.15x = 400,121.21 × 181,101.92
  4. Step 4: Simplify right side
    289,933.15x = 72,462,719,363.72
  5. Step 5: Solve for x
    x = 72,462,719,363.72/289,933.15
  6. Step 6: Final answer
    x = 249,929.06

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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.