Home / 177,795.60-266,866.20-107,811.60

Finding the Fourth Proportional to 177,795.60, 266,866.20 and 107,811.60

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Solution

The fourth proportional to 177,795.60, 266,866.20 and 107,811.60 is: 161,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,795.60 : 266,866.20 = 107,811.60 : x
  2. Step 2: Convert to fraction form
    177,795.60/266,866.20 = 107,811.60/x
  3. Step 3: Cross multiply
    177,795.60x = 266,866.20 × 107,811.60
  4. Step 4: Simplify right side
    177,795.60x = 28,771,272,007.92
  5. Step 5: Solve for x
    x = 28,771,272,007.92/177,795.60
  6. Step 6: Final answer
    x = 161,822.18

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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.