Home / 152,918.35-210,942.26-142,093.61

Finding the Fourth Proportional to 152,918.35, 210,942.26 and 142,093.61

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Solution

The fourth proportional to 152,918.35, 210,942.26 and 142,093.61 is: 196,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,918.35 : 210,942.26 = 142,093.61 : x
  2. Step 2: Convert to fraction form
    152,918.35/210,942.26 = 142,093.61/x
  3. Step 3: Cross multiply
    152,918.35x = 210,942.26 × 142,093.61
  4. Step 4: Simplify right side
    152,918.35x = 29,973,548,107.55
  5. Step 5: Solve for x
    x = 29,973,548,107.55/152,918.35
  6. Step 6: Final answer
    x = 196,010.14

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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.