Home / 192,833.84-289,140.02-102,765.66

Finding the Fourth Proportional to 192,833.84, 289,140.02 and 102,765.66

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Solution

The fourth proportional to 192,833.84, 289,140.02 and 102,765.66 is: 154,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,833.84 : 289,140.02 = 102,765.66 : x
  2. Step 2: Convert to fraction form
    192,833.84/289,140.02 = 102,765.66/x
  3. Step 3: Cross multiply
    192,833.84x = 289,140.02 × 102,765.66
  4. Step 4: Simplify right side
    192,833.84x = 29,713,664,987.71
  5. Step 5: Solve for x
    x = 29,713,664,987.71/192,833.84
  6. Step 6: Final answer
    x = 154,089.47

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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.