Home / 127,936.60-191,732.10-113,075.80

Finding the Fourth Proportional to 127,936.60, 191,732.10 and 113,075.80

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Solution

The fourth proportional to 127,936.60, 191,732.10 and 113,075.80 is: 169,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,936.60 : 191,732.10 = 113,075.80 : x
  2. Step 2: Convert to fraction form
    127,936.60/191,732.10 = 113,075.80/x
  3. Step 3: Cross multiply
    127,936.60x = 191,732.10 × 113,075.80
  4. Step 4: Simplify right side
    127,936.60x = 21,680,260,593.18
  5. Step 5: Solve for x
    x = 21,680,260,593.18/127,936.60
  6. Step 6: Final answer
    x = 169,460.97

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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.