Home / 137,148.66-205,403.11-133,364.27

Finding the Fourth Proportional to 137,148.66, 205,403.11 and 133,364.27

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Solution

The fourth proportional to 137,148.66, 205,403.11 and 133,364.27 is: 199,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,148.66 : 205,403.11 = 133,364.27 : x
  2. Step 2: Convert to fraction form
    137,148.66/205,403.11 = 133,364.27/x
  3. Step 3: Cross multiply
    137,148.66x = 205,403.11 × 133,364.27
  4. Step 4: Simplify right side
    137,148.66x = 27,393,436,000.98
  5. Step 5: Solve for x
    x = 27,393,436,000.98/137,148.66
  6. Step 6: Final answer
    x = 199,735.35

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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.