Home / 192,593.74-288,897-66,232.72

Finding the Fourth Proportional to 192,593.74, 288,897 and 66,232.72

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Solution

The fourth proportional to 192,593.74, 288,897 and 66,232.72 is: 99,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,593.74 : 288,897 = 66,232.72 : x
  2. Step 2: Convert to fraction form
    192,593.74/288,897 = 66,232.72/x
  3. Step 3: Cross multiply
    192,593.74x = 288,897 × 66,232.72
  4. Step 4: Simplify right side
    192,593.74x = 19,134,434,109.84
  5. Step 5: Solve for x
    x = 19,134,434,109.84/192,593.74
  6. Step 6: Final answer
    x = 99,351.28

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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.