Home / 436,283.13-654,424.88-136,787.04

Finding the Fourth Proportional to 436,283.13, 654,424.88 and 136,787.04

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Solution

The fourth proportional to 436,283.13, 654,424.88 and 136,787.04 is: 205,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,283.13 : 654,424.88 = 136,787.04 : x
  2. Step 2: Convert to fraction form
    436,283.13/654,424.88 = 136,787.04/x
  3. Step 3: Cross multiply
    436,283.13x = 654,424.88 × 136,787.04
  4. Step 4: Simplify right side
    436,283.13x = 89,516,841,553.62
  5. Step 5: Solve for x
    x = 89,516,841,553.62/436,283.13
  6. Step 6: Final answer
    x = 205,180.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.