Home / 135,145.12-202,740.72-41,648.80

Finding the Fourth Proportional to 135,145.12, 202,740.72 and 41,648.80

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Solution

The fourth proportional to 135,145.12, 202,740.72 and 41,648.80 is: 62,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,145.12 : 202,740.72 = 41,648.80 : x
  2. Step 2: Convert to fraction form
    135,145.12/202,740.72 = 41,648.80/x
  3. Step 3: Cross multiply
    135,145.12x = 202,740.72 × 41,648.80
  4. Step 4: Simplify right side
    135,145.12x = 8,443,907,699.14
  5. Step 5: Solve for x
    x = 8,443,907,699.14/135,145.12
  6. Step 6: Final answer
    x = 62,480.30

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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.