Home / 135,508.96-203,283.12-42,022.24

Finding the Fourth Proportional to 135,508.96, 203,283.12 and 42,022.24

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Solution

The fourth proportional to 135,508.96, 203,283.12 and 42,022.24 is: 63,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,508.96 : 203,283.12 = 42,022.24 : x
  2. Step 2: Convert to fraction form
    135,508.96/203,283.12 = 42,022.24/x
  3. Step 3: Cross multiply
    135,508.96x = 203,283.12 × 42,022.24
  4. Step 4: Simplify right side
    135,508.96x = 8,542,412,056.59
  5. Step 5: Solve for x
    x = 8,542,412,056.59/135,508.96
  6. Step 6: Final answer
    x = 63,039.46

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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.