Home / 289,107.04-398,892.04-166,569.43

Finding the Fourth Proportional to 289,107.04, 398,892.04 and 166,569.43

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Solution

The fourth proportional to 289,107.04, 398,892.04 and 166,569.43 is: 229,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,107.04 : 398,892.04 = 166,569.43 : x
  2. Step 2: Convert to fraction form
    289,107.04/398,892.04 = 166,569.43/x
  3. Step 3: Cross multiply
    289,107.04x = 398,892.04 × 166,569.43
  4. Step 4: Simplify right side
    289,107.04x = 66,443,219,734.34
  5. Step 5: Solve for x
    x = 66,443,219,734.34/289,107.04
  6. Step 6: Final answer
    x = 229,822.21

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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.