Home / 135,036.80-202,555.20-41,542.40

Finding the Fourth Proportional to 135,036.80, 202,555.20 and 41,542.40

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Solution

The fourth proportional to 135,036.80, 202,555.20 and 41,542.40 is: 62,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,036.80 : 202,555.20 = 41,542.40 : x
  2. Step 2: Convert to fraction form
    135,036.80/202,555.20 = 41,542.40/x
  3. Step 3: Cross multiply
    135,036.80x = 202,555.20 × 41,542.40
  4. Step 4: Simplify right side
    135,036.80x = 8,414,629,140.48
  5. Step 5: Solve for x
    x = 8,414,629,140.48/135,036.80
  6. Step 6: Final answer
    x = 62,313.60

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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.