Home / 103,456.20-155,169.90-33,342.60

Finding the Fourth Proportional to 103,456.20, 155,169.90 and 33,342.60

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Solution

The fourth proportional to 103,456.20, 155,169.90 and 33,342.60 is: 50,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,456.20 : 155,169.90 = 33,342.60 : x
  2. Step 2: Convert to fraction form
    103,456.20/155,169.90 = 33,342.60/x
  3. Step 3: Cross multiply
    103,456.20x = 155,169.90 × 33,342.60
  4. Step 4: Simplify right side
    103,456.20x = 5,173,767,907.74
  5. Step 5: Solve for x
    x = 5,173,767,907.74/103,456.20
  6. Step 6: Final answer
    x = 50,009.26

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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.