Home / 192,583.74-288,819.17-72,554.09

Finding the Fourth Proportional to 192,583.74, 288,819.17 and 72,554.09

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Solution

The fourth proportional to 192,583.74, 288,819.17 and 72,554.09 is: 108,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,583.74 : 288,819.17 = 72,554.09 : x
  2. Step 2: Convert to fraction form
    192,583.74/288,819.17 = 72,554.09/x
  3. Step 3: Cross multiply
    192,583.74x = 288,819.17 × 72,554.09
  4. Step 4: Simplify right side
    192,583.74x = 20,955,011,127.36
  5. Step 5: Solve for x
    x = 20,955,011,127.36/192,583.74
  6. Step 6: Final answer
    x = 108,809.87

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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.