Home / 177,631.98-266,637.66-76,480.14

Finding the Fourth Proportional to 177,631.98, 266,637.66 and 76,480.14

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Solution

The fourth proportional to 177,631.98, 266,637.66 and 76,480.14 is: 114,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,631.98 : 266,637.66 = 76,480.14 : x
  2. Step 2: Convert to fraction form
    177,631.98/266,637.66 = 76,480.14/x
  3. Step 3: Cross multiply
    177,631.98x = 266,637.66 × 76,480.14
  4. Step 4: Simplify right side
    177,631.98x = 20,392,485,566.07
  5. Step 5: Solve for x
    x = 20,392,485,566.07/177,631.98
  6. Step 6: Final answer
    x = 114,801.88

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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.