Home / 177,971.28-266,901.92-51,620.84

Finding the Fourth Proportional to 177,971.28, 266,901.92 and 51,620.84

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Solution

The fourth proportional to 177,971.28, 266,901.92 and 51,620.84 is: 77,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,971.28 : 266,901.92 = 51,620.84 : x
  2. Step 2: Convert to fraction form
    177,971.28/266,901.92 = 51,620.84/x
  3. Step 3: Cross multiply
    177,971.28x = 266,901.92 × 51,620.84
  4. Step 4: Simplify right side
    177,971.28x = 13,777,699,715.40
  5. Step 5: Solve for x
    x = 13,777,699,715.40/177,971.28
  6. Step 6: Final answer
    x = 77,415.30

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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.