Home / 192,890.37-266,145.66-116,421.87

Finding the Fourth Proportional to 192,890.37, 266,145.66 and 116,421.87

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Solution

The fourth proportional to 192,890.37, 266,145.66 and 116,421.87 is: 160,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,890.37 : 266,145.66 = 116,421.87 : x
  2. Step 2: Convert to fraction form
    192,890.37/266,145.66 = 116,421.87/x
  3. Step 3: Cross multiply
    192,890.37x = 266,145.66 × 116,421.87
  4. Step 4: Simplify right side
    192,890.37x = 30,985,175,429.58
  5. Step 5: Solve for x
    x = 30,985,175,429.58/192,890.37
  6. Step 6: Final answer
    x = 160,636.20

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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.