Home / 137,445.42-206,190.54-48,679.68

Finding the Fourth Proportional to 137,445.42, 206,190.54 and 48,679.68

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Solution

The fourth proportional to 137,445.42, 206,190.54 and 48,679.68 is: 73,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,445.42 : 206,190.54 = 48,679.68 : x
  2. Step 2: Convert to fraction form
    137,445.42/206,190.54 = 48,679.68/x
  3. Step 3: Cross multiply
    137,445.42x = 206,190.54 × 48,679.68
  4. Step 4: Simplify right side
    137,445.42x = 10,037,289,506.23
  5. Step 5: Solve for x
    x = 10,037,289,506.23/137,445.42
  6. Step 6: Final answer
    x = 73,027.46

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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.