Home / 146,186.40-201,598.56-100,791.84

Finding the Fourth Proportional to 146,186.40, 201,598.56 and 100,791.84

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Solution

The fourth proportional to 146,186.40, 201,598.56 and 100,791.84 is: 138,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,186.40 : 201,598.56 = 100,791.84 : x
  2. Step 2: Convert to fraction form
    146,186.40/201,598.56 = 100,791.84/x
  3. Step 3: Cross multiply
    146,186.40x = 201,598.56 × 100,791.84
  4. Step 4: Simplify right side
    146,186.40x = 20,319,489,803.75
  5. Step 5: Solve for x
    x = 20,319,489,803.75/146,186.40
  6. Step 6: Final answer
    x = 138,997.13

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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.