Home / 192,086.10-288,121.68-51,848.28

Finding the Fourth Proportional to 192,086.10, 288,121.68 and 51,848.28

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Solution

The fourth proportional to 192,086.10, 288,121.68 and 51,848.28 is: 77,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,086.10 : 288,121.68 = 51,848.28 : x
  2. Step 2: Convert to fraction form
    192,086.10/288,121.68 = 51,848.28/x
  3. Step 3: Cross multiply
    192,086.10x = 288,121.68 × 51,848.28
  4. Step 4: Simplify right side
    192,086.10x = 14,938,613,538.71
  5. Step 5: Solve for x
    x = 14,938,613,538.71/192,086.10
  6. Step 6: Final answer
    x = 77,770.40

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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.