Home / 103,576.20-155,364.30-41,214.60

Finding the Fourth Proportional to 103,576.20, 155,364.30 and 41,214.60

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Solution

The fourth proportional to 103,576.20, 155,364.30 and 41,214.60 is: 61,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,576.20 : 155,364.30 = 41,214.60 : x
  2. Step 2: Convert to fraction form
    103,576.20/155,364.30 = 41,214.60/x
  3. Step 3: Cross multiply
    103,576.20x = 155,364.30 × 41,214.60
  4. Step 4: Simplify right side
    103,576.20x = 6,403,277,478.78
  5. Step 5: Solve for x
    x = 6,403,277,478.78/103,576.20
  6. Step 6: Final answer
    x = 61,821.90

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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.