Home / 140,297.37-193,674.11-89,379.92

Finding the Fourth Proportional to 140,297.37, 193,674.11 and 89,379.92

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Solution

The fourth proportional to 140,297.37, 193,674.11 and 89,379.92 is: 123,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,297.37 : 193,674.11 = 89,379.92 : x
  2. Step 2: Convert to fraction form
    140,297.37/193,674.11 = 89,379.92/x
  3. Step 3: Cross multiply
    140,297.37x = 193,674.11 × 89,379.92
  4. Step 4: Simplify right side
    140,297.37x = 17,310,576,495.16
  5. Step 5: Solve for x
    x = 17,310,576,495.16/140,297.37
  6. Step 6: Final answer
    x = 123,384.90

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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.