Home / 137,818.66-190,184.94-84,193.42

Finding the Fourth Proportional to 137,818.66, 190,184.94 and 84,193.42

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Solution

The fourth proportional to 137,818.66, 190,184.94 and 84,193.42 is: 116,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,818.66 : 190,184.94 = 84,193.42 : x
  2. Step 2: Convert to fraction form
    137,818.66/190,184.94 = 84,193.42/x
  3. Step 3: Cross multiply
    137,818.66x = 190,184.94 × 84,193.42
  4. Step 4: Simplify right side
    137,818.66x = 16,012,320,531.09
  5. Step 5: Solve for x
    x = 16,012,320,531.09/137,818.66
  6. Step 6: Final answer
    x = 116,183.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.