Home / 386,789.08-580,169.04-106,299.04

Finding the Fourth Proportional to 386,789.08, 580,169.04 and 106,299.04

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Solution

The fourth proportional to 386,789.08, 580,169.04 and 106,299.04 is: 159,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,789.08 : 580,169.04 = 106,299.04 : x
  2. Step 2: Convert to fraction form
    386,789.08/580,169.04 = 106,299.04/x
  3. Step 3: Cross multiply
    386,789.08x = 580,169.04 × 106,299.04
  4. Step 4: Simplify right side
    386,789.08x = 61,671,411,989.72
  5. Step 5: Solve for x
    x = 61,671,411,989.72/386,789.08
  6. Step 6: Final answer
    x = 159,444.55

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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.