Home / 134,928.20-202,392.30-41,438.60

Finding the Fourth Proportional to 134,928.20, 202,392.30 and 41,438.60

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Solution

The fourth proportional to 134,928.20, 202,392.30 and 41,438.60 is: 62,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,928.20 : 202,392.30 = 41,438.60 : x
  2. Step 2: Convert to fraction form
    134,928.20/202,392.30 = 41,438.60/x
  3. Step 3: Cross multiply
    134,928.20x = 202,392.30 × 41,438.60
  4. Step 4: Simplify right side
    134,928.20x = 8,386,853,562.78
  5. Step 5: Solve for x
    x = 8,386,853,562.78/134,928.20
  6. Step 6: Final answer
    x = 62,157.90

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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.