Home / 103,652.20-155,478.30-33,580.36

Finding the Fourth Proportional to 103,652.20, 155,478.30 and 33,580.36

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Solution

The fourth proportional to 103,652.20, 155,478.30 and 33,580.36 is: 50,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,652.20 : 155,478.30 = 33,580.36 : x
  2. Step 2: Convert to fraction form
    103,652.20/155,478.30 = 33,580.36/x
  3. Step 3: Cross multiply
    103,652.20x = 155,478.30 × 33,580.36
  4. Step 4: Simplify right side
    103,652.20x = 5,221,017,286.19
  5. Step 5: Solve for x
    x = 5,221,017,286.19/103,652.20
  6. Step 6: Final answer
    x = 50,370.54

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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.