Home / 127,933.60-191,727.60-113,072.80

Finding the Fourth Proportional to 127,933.60, 191,727.60 and 113,072.80

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Solution

The fourth proportional to 127,933.60, 191,727.60 and 113,072.80 is: 169,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,933.60 : 191,727.60 = 113,072.80 : x
  2. Step 2: Convert to fraction form
    127,933.60/191,727.60 = 113,072.80/x
  3. Step 3: Cross multiply
    127,933.60x = 191,727.60 × 113,072.80
  4. Step 4: Simplify right side
    127,933.60x = 21,679,176,569.28
  5. Step 5: Solve for x
    x = 21,679,176,569.28/127,933.60
  6. Step 6: Final answer
    x = 169,456.47

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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.