Home / 140,230.62-193,516.83-86,494.14

Finding the Fourth Proportional to 140,230.62, 193,516.83 and 86,494.14

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Solution

The fourth proportional to 140,230.62, 193,516.83 and 86,494.14 is: 119,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,230.62 : 193,516.83 = 86,494.14 : x
  2. Step 2: Convert to fraction form
    140,230.62/193,516.83 = 86,494.14/x
  3. Step 3: Cross multiply
    140,230.62x = 193,516.83 × 86,494.14
  4. Step 4: Simplify right side
    140,230.62x = 16,738,071,786.38
  5. Step 5: Solve for x
    x = 16,738,071,786.38/140,230.62
  6. Step 6: Final answer
    x = 119,361.03

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1.5x scale

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.