Home / 103,433.20-155,226.60-41,148.40

Finding the Fourth Proportional to 103,433.20, 155,226.60 and 41,148.40

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Solution

The fourth proportional to 103,433.20, 155,226.60 and 41,148.40 is: 61,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,433.20 : 155,226.60 = 41,148.40 : x
  2. Step 2: Convert to fraction form
    103,433.20/155,226.60 = 41,148.40/x
  3. Step 3: Cross multiply
    103,433.20x = 155,226.60 × 41,148.40
  4. Step 4: Simplify right side
    103,433.20x = 6,387,326,227.44
  5. Step 5: Solve for x
    x = 6,387,326,227.44/103,433.20
  6. Step 6: Final answer
    x = 61,753.15

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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.