Home / 192,732.40-289,429.50-118,289.68

Finding the Fourth Proportional to 192,732.40, 289,429.50 and 118,289.68

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Solution

The fourth proportional to 192,732.40, 289,429.50 and 118,289.68 is: 177,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,732.40 : 289,429.50 = 118,289.68 : x
  2. Step 2: Convert to fraction form
    192,732.40/289,429.50 = 118,289.68/x
  3. Step 3: Cross multiply
    192,732.40x = 289,429.50 × 118,289.68
  4. Step 4: Simplify right side
    192,732.40x = 34,236,522,937.56
  5. Step 5: Solve for x
    x = 34,236,522,937.56/192,732.40
  6. Step 6: Final answer
    x = 177,637.61

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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.