Home / 136,260.41-204,399.25-42,769.85

Finding the Fourth Proportional to 136,260.41, 204,399.25 and 42,769.85

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Solution

The fourth proportional to 136,260.41, 204,399.25 and 42,769.85 is: 64,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,260.41 : 204,399.25 = 42,769.85 : x
  2. Step 2: Convert to fraction form
    136,260.41/204,399.25 = 42,769.85/x
  3. Step 3: Cross multiply
    136,260.41x = 204,399.25 × 42,769.85
  4. Step 4: Simplify right side
    136,260.41x = 8,742,124,133.69
  5. Step 5: Solve for x
    x = 8,742,124,133.69/136,260.41
  6. Step 6: Final answer
    x = 64,157.48

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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.