Home / 193,238.76-266,664.10-107,197.32

Finding the Fourth Proportional to 193,238.76, 266,664.10 and 107,197.32

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Solution

The fourth proportional to 193,238.76, 266,664.10 and 107,197.32 is: 147,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,238.76 : 266,664.10 = 107,197.32 : x
  2. Step 2: Convert to fraction form
    193,238.76/266,664.10 = 107,197.32/x
  3. Step 3: Cross multiply
    193,238.76x = 266,664.10 × 107,197.32
  4. Step 4: Simplify right side
    193,238.76x = 28,585,677,793.20
  5. Step 5: Solve for x
    x = 28,585,677,793.20/193,238.76
  6. Step 6: Final answer
    x = 147,929.31

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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.