Home / 193,580.16-267,115.80-112,989.20

Finding the Fourth Proportional to 193,580.16, 267,115.80 and 112,989.20

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Solution

The fourth proportional to 193,580.16, 267,115.80 and 112,989.20 is: 155,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,580.16 : 267,115.80 = 112,989.20 : x
  2. Step 2: Convert to fraction form
    193,580.16/267,115.80 = 112,989.20/x
  3. Step 3: Cross multiply
    193,580.16x = 267,115.80 × 112,989.20
  4. Step 4: Simplify right side
    193,580.16x = 30,181,200,549.36
  5. Step 5: Solve for x
    x = 30,181,200,549.36/193,580.16
  6. Step 6: Final answer
    x = 155,910.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.