Home / 289,157.14-398,989.24-181,651.04

Finding the Fourth Proportional to 289,157.14, 398,989.24 and 181,651.04

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Solution

The fourth proportional to 289,157.14, 398,989.24 and 181,651.04 is: 250,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,157.14 : 398,989.24 = 181,651.04 : x
  2. Step 2: Convert to fraction form
    289,157.14/398,989.24 = 181,651.04/x
  3. Step 3: Cross multiply
    289,157.14x = 398,989.24 × 181,651.04
  4. Step 4: Simplify right side
    289,157.14x = 72,476,807,491.61
  5. Step 5: Solve for x
    x = 72,476,807,491.61/289,157.14
  6. Step 6: Final answer
    x = 250,648.52

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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.