Home / 114,538.20-171,936.90-67,817.40

Finding the Fourth Proportional to 114,538.20, 171,936.90 and 67,817.40

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Solution

The fourth proportional to 114,538.20, 171,936.90 and 67,817.40 is: 101,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,538.20 : 171,936.90 = 67,817.40 : x
  2. Step 2: Convert to fraction form
    114,538.20/171,936.90 = 67,817.40/x
  3. Step 3: Cross multiply
    114,538.20x = 171,936.90 × 67,817.40
  4. Step 4: Simplify right side
    114,538.20x = 11,660,313,522.06
  5. Step 5: Solve for x
    x = 11,660,313,522.06/114,538.20
  6. Step 6: Final answer
    x = 101,802.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.