Home / 192,788.55-289,262.81-117,911.34

Finding the Fourth Proportional to 192,788.55, 289,262.81 and 117,911.34

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Solution

The fourth proportional to 192,788.55, 289,262.81 and 117,911.34 is: 176,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,788.55 : 289,262.81 = 117,911.34 : x
  2. Step 2: Convert to fraction form
    192,788.55/289,262.81 = 117,911.34/x
  3. Step 3: Cross multiply
    192,788.55x = 289,262.81 × 117,911.34
  4. Step 4: Simplify right side
    192,788.55x = 34,107,365,834.04
  5. Step 5: Solve for x
    x = 34,107,365,834.04/192,788.55
  6. Step 6: Final answer
    x = 176,915.93

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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.