Home / 338,065.62-507,176.20-113,455.86

Finding the Fourth Proportional to 338,065.62, 507,176.20 and 113,455.86

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Solution

The fourth proportional to 338,065.62, 507,176.20 and 113,455.86 is: 170,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,065.62 : 507,176.20 = 113,455.86 : x
  2. Step 2: Convert to fraction form
    338,065.62/507,176.20 = 113,455.86/x
  3. Step 3: Cross multiply
    338,065.62x = 507,176.20 × 113,455.86
  4. Step 4: Simplify right side
    338,065.62x = 57,542,111,942.53
  5. Step 5: Solve for x
    x = 57,542,111,942.53/338,065.62
  6. Step 6: Final answer
    x = 170,209.89

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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.