Home / 136,069.43-187,710.46-117,173.75

Finding the Fourth Proportional to 136,069.43, 187,710.46 and 117,173.75

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Solution

The fourth proportional to 136,069.43, 187,710.46 and 117,173.75 is: 161,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,069.43 : 187,710.46 = 117,173.75 : x
  2. Step 2: Convert to fraction form
    136,069.43/187,710.46 = 117,173.75/x
  3. Step 3: Cross multiply
    136,069.43x = 187,710.46 × 117,173.75
  4. Step 4: Simplify right side
    136,069.43x = 21,994,738,512.43
  5. Step 5: Solve for x
    x = 21,994,738,512.43/136,069.43
  6. Step 6: Final answer
    x = 161,643.50

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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.