Home / 131,257.44-180,754.07-114,021.90

Finding the Fourth Proportional to 131,257.44, 180,754.07 and 114,021.90

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Solution

The fourth proportional to 131,257.44, 180,754.07 and 114,021.90 is: 157,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,257.44 : 180,754.07 = 114,021.90 : x
  2. Step 2: Convert to fraction form
    131,257.44/180,754.07 = 114,021.90/x
  3. Step 3: Cross multiply
    131,257.44x = 180,754.07 × 114,021.90
  4. Step 4: Simplify right side
    131,257.44x = 20,609,921,924.02
  5. Step 5: Solve for x
    x = 20,609,921,924.02/131,257.44
  6. Step 6: Final answer
    x = 157,019.08

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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.