Home / 453,646.20-680,177.70-187,512.60

Finding the Fourth Proportional to 453,646.20, 680,177.70 and 187,512.60

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Solution

The fourth proportional to 453,646.20, 680,177.70 and 187,512.60 is: 281,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,646.20 : 680,177.70 = 187,512.60 : x
  2. Step 2: Convert to fraction form
    453,646.20/680,177.70 = 187,512.60/x
  3. Step 3: Cross multiply
    453,646.20x = 680,177.70 × 187,512.60
  4. Step 4: Simplify right side
    453,646.20x = 127,541,888,989.02
  5. Step 5: Solve for x
    x = 127,541,888,989.02/453,646.20
  6. Step 6: Final answer
    x = 281,148.37

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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.