Home / 177,971.78-266,902.67-51,621.34

Finding the Fourth Proportional to 177,971.78, 266,902.67 and 51,621.34

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Solution

The fourth proportional to 177,971.78, 266,902.67 and 51,621.34 is: 77,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,971.78 : 266,902.67 = 51,621.34 : x
  2. Step 2: Convert to fraction form
    177,971.78/266,902.67 = 51,621.34/x
  3. Step 3: Cross multiply
    177,971.78x = 266,902.67 × 51,621.34
  4. Step 4: Simplify right side
    177,971.78x = 13,777,871,882.36
  5. Step 5: Solve for x
    x = 13,777,871,882.36/177,971.78
  6. Step 6: Final answer
    x = 77,416.05

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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.