Home / 192,984.62-266,333.55-121,425.98

Finding the Fourth Proportional to 192,984.62, 266,333.55 and 121,425.98

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Solution

The fourth proportional to 192,984.62, 266,333.55 and 121,425.98 is: 167,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,984.62 : 266,333.55 = 121,425.98 : x
  2. Step 2: Convert to fraction form
    192,984.62/266,333.55 = 121,425.98/x
  3. Step 3: Cross multiply
    192,984.62x = 266,333.55 × 121,425.98
  4. Step 4: Simplify right side
    192,984.62x = 32,339,812,315.63
  5. Step 5: Solve for x
    x = 32,339,812,315.63/192,984.62
  6. Step 6: Final answer
    x = 167,577.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.