Home / 207,827.16-311,177.56-107,777.52

Finding the Fourth Proportional to 207,827.16, 311,177.56 and 107,777.52

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Solution

The fourth proportional to 207,827.16, 311,177.56 and 107,777.52 is: 161,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,827.16 : 311,177.56 = 107,777.52 : x
  2. Step 2: Convert to fraction form
    207,827.16/311,177.56 = 107,777.52/x
  3. Step 3: Cross multiply
    207,827.16x = 311,177.56 × 107,777.52
  4. Step 4: Simplify right side
    207,827.16x = 33,537,945,696.45
  5. Step 5: Solve for x
    x = 33,537,945,696.45/207,827.16
  6. Step 6: Final answer
    x = 161,374.22

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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.