Home / 192,560.90-288,770.61-66,165.28

Finding the Fourth Proportional to 192,560.90, 288,770.61 and 66,165.28

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Solution

The fourth proportional to 192,560.90, 288,770.61 and 66,165.28 is: 99,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,560.90 : 288,770.61 = 66,165.28 : x
  2. Step 2: Convert to fraction form
    192,560.90/288,770.61 = 66,165.28/x
  3. Step 3: Cross multiply
    192,560.90x = 288,770.61 × 66,165.28
  4. Step 4: Simplify right side
    192,560.90x = 19,106,588,266.42
  5. Step 5: Solve for x
    x = 19,106,588,266.42/192,560.90
  6. Step 6: Final answer
    x = 99,223.61

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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.