Home / 177,586.40-265,942.20-132,971.60

Finding the Fourth Proportional to 177,586.40, 265,942.20 and 132,971.60

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Solution

The fourth proportional to 177,586.40, 265,942.20 and 132,971.60 is: 199,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,586.40 : 265,942.20 = 132,971.60 : x
  2. Step 2: Convert to fraction form
    177,586.40/265,942.20 = 132,971.60/x
  3. Step 3: Cross multiply
    177,586.40x = 265,942.20 × 132,971.60
  4. Step 4: Simplify right side
    177,586.40x = 35,362,759,841.52
  5. Step 5: Solve for x
    x = 35,362,759,841.52/177,586.40
  6. Step 6: Final answer
    x = 199,129.89

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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.