Home / 209,354.76-314,136.03-82,992.33

Finding the Fourth Proportional to 209,354.76, 314,136.03 and 82,992.33

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Solution

The fourth proportional to 209,354.76, 314,136.03 and 82,992.33 is: 124,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,354.76 : 314,136.03 = 82,992.33 : x
  2. Step 2: Convert to fraction form
    209,354.76/314,136.03 = 82,992.33/x
  3. Step 3: Cross multiply
    209,354.76x = 314,136.03 × 82,992.33
  4. Step 4: Simplify right side
    209,354.76x = 26,070,881,066.65
  5. Step 5: Solve for x
    x = 26,070,881,066.65/209,354.76
  6. Step 6: Final answer
    x = 124,529.68

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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.