Home / 192,916.48-289,444.30-102,864.46

Finding the Fourth Proportional to 192,916.48, 289,444.30 and 102,864.46

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Solution

The fourth proportional to 192,916.48, 289,444.30 and 102,864.46 is: 154,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,916.48 : 289,444.30 = 102,864.46 : x
  2. Step 2: Convert to fraction form
    192,916.48/289,444.30 = 102,864.46/x
  3. Step 3: Cross multiply
    192,916.48x = 289,444.30 × 102,864.46
  4. Step 4: Simplify right side
    192,916.48x = 29,773,531,619.58
  5. Step 5: Solve for x
    x = 29,773,531,619.58/192,916.48
  6. Step 6: Final answer
    x = 154,333.79

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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.