Home / 103,326.20-155,010.90-33,212.60

Finding the Fourth Proportional to 103,326.20, 155,010.90 and 33,212.60

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Solution

The fourth proportional to 103,326.20, 155,010.90 and 33,212.60 is: 49,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,326.20 : 155,010.90 = 33,212.60 : x
  2. Step 2: Convert to fraction form
    103,326.20/155,010.90 = 33,212.60/x
  3. Step 3: Cross multiply
    103,326.20x = 155,010.90 × 33,212.60
  4. Step 4: Simplify right side
    103,326.20x = 5,148,315,017.34
  5. Step 5: Solve for x
    x = 5,148,315,017.34/103,326.20
  6. Step 6: Final answer
    x = 49,825.84

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1.5x scale

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.