Home / 135,851.16-187,475.28-84,893.48

Finding the Fourth Proportional to 135,851.16, 187,475.28 and 84,893.48

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Solution

The fourth proportional to 135,851.16, 187,475.28 and 84,893.48 is: 117,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,851.16 : 187,475.28 = 84,893.48 : x
  2. Step 2: Convert to fraction form
    135,851.16/187,475.28 = 84,893.48/x
  3. Step 3: Cross multiply
    135,851.16x = 187,475.28 × 84,893.48
  4. Step 4: Simplify right side
    135,851.16x = 15,915,428,933.17
  5. Step 5: Solve for x
    x = 15,915,428,933.17/135,851.16
  6. Step 6: Final answer
    x = 117,153.43

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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.