Home / 103,731.20-155,673.60-41,446.40

Finding the Fourth Proportional to 103,731.20, 155,673.60 and 41,446.40

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Solution

The fourth proportional to 103,731.20, 155,673.60 and 41,446.40 is: 62,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,731.20 : 155,673.60 = 41,446.40 : x
  2. Step 2: Convert to fraction form
    103,731.20/155,673.60 = 41,446.40/x
  3. Step 3: Cross multiply
    103,731.20x = 155,673.60 × 41,446.40
  4. Step 4: Simplify right side
    103,731.20x = 6,452,110,295.04
  5. Step 5: Solve for x
    x = 6,452,110,295.04/103,731.20
  6. Step 6: Final answer
    x = 62,200.29

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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.