Home / 177,939.96-266,738.44-65,558.72

Finding the Fourth Proportional to 177,939.96, 266,738.44 and 65,558.72

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Solution

The fourth proportional to 177,939.96, 266,738.44 and 65,558.72 is: 98,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,939.96 : 266,738.44 = 65,558.72 : x
  2. Step 2: Convert to fraction form
    177,939.96/266,738.44 = 65,558.72/x
  3. Step 3: Cross multiply
    177,939.96x = 266,738.44 × 65,558.72
  4. Step 4: Simplify right side
    177,939.96x = 17,487,030,701.20
  5. Step 5: Solve for x
    x = 17,487,030,701.20/177,939.96
  6. Step 6: Final answer
    x = 98,274.89

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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.