Home / 135,090.40-202,635.60-41,624.80

Finding the Fourth Proportional to 135,090.40, 202,635.60 and 41,624.80

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Solution

The fourth proportional to 135,090.40, 202,635.60 and 41,624.80 is: 62,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,090.40 : 202,635.60 = 41,624.80 : x
  2. Step 2: Convert to fraction form
    135,090.40/202,635.60 = 41,624.80/x
  3. Step 3: Cross multiply
    135,090.40x = 202,635.60 × 41,624.80
  4. Step 4: Simplify right side
    135,090.40x = 8,434,666,322.88
  5. Step 5: Solve for x
    x = 8,434,666,322.88/135,090.40
  6. Step 6: Final answer
    x = 62,437.20

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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.